- Timestamp:
- 11/25/21 22:08:24 (3 years ago)
- Branches:
- master
- Children:
- 8d391a1
- Parents:
- 59329aa
- File:
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- 1 edited
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trip-planner-front/node_modules/socket.io/client-dist/socket.io.js
r59329aa re29cc2e 1 1 /*! 2 * Socket.IO v 3.1.22 * Socket.IO v4.4.0 3 3 * (c) 2014-2021 Guillermo Rauch 4 4 * Released under the MIT License. 5 5 */ 6 (function webpackUniversalModuleDefinition(root, factory) { 7 if(typeof exports === 'object' && typeof module === 'object') 8 module.exports = factory(); 9 else if(typeof define === 'function' && define.amd) 10 define([], factory); 11 else if(typeof exports === 'object') 12 exports["io"] = factory(); 13 else 14 root["io"] = factory(); 15 })(this, function() { 16 return /******/ (function(modules) { // webpackBootstrap 17 /******/ // The module cache 18 /******/ var installedModules = {}; 19 /******/ 20 /******/ // The require function 21 /******/ function __webpack_require__(moduleId) { 22 /******/ 23 /******/ // Check if module is in cache 24 /******/ if(installedModules[moduleId]) { 25 /******/ return installedModules[moduleId].exports; 26 /******/ } 27 /******/ // Create a new module (and put it into the cache) 28 /******/ var module = installedModules[moduleId] = { 29 /******/ i: moduleId, 30 /******/ l: false, 31 /******/ exports: {} 32 /******/ }; 33 /******/ 34 /******/ // Execute the module function 35 /******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); 36 /******/ 37 /******/ // Flag the module as loaded 38 /******/ module.l = true; 39 /******/ 40 /******/ // Return the exports of the module 41 /******/ return module.exports; 42 /******/ } 43 /******/ 44 /******/ 45 /******/ // expose the modules object (__webpack_modules__) 46 /******/ __webpack_require__.m = modules; 47 /******/ 48 /******/ // expose the module cache 49 /******/ __webpack_require__.c = installedModules; 50 /******/ 51 /******/ // define getter function for harmony exports 52 /******/ __webpack_require__.d = function(exports, name, getter) { 53 /******/ if(!__webpack_require__.o(exports, name)) { 54 /******/ Object.defineProperty(exports, name, { enumerable: true, get: getter }); 55 /******/ } 56 /******/ }; 57 /******/ 58 /******/ // define __esModule on exports 59 /******/ __webpack_require__.r = function(exports) { 60 /******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) { 61 /******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' }); 62 /******/ } 63 /******/ Object.defineProperty(exports, '__esModule', { value: true }); 64 /******/ }; 65 /******/ 66 /******/ // create a fake namespace object 67 /******/ // mode & 1: value is a module id, require it 68 /******/ // mode & 2: merge all properties of value into the ns 69 /******/ // mode & 4: return value when already ns object 70 /******/ // mode & 8|1: behave like require 71 /******/ __webpack_require__.t = function(value, mode) { 72 /******/ if(mode & 1) value = __webpack_require__(value); 73 /******/ if(mode & 8) return value; 74 /******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value; 75 /******/ var ns = Object.create(null); 76 /******/ __webpack_require__.r(ns); 77 /******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value }); 78 /******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key)); 79 /******/ return ns; 80 /******/ }; 81 /******/ 82 /******/ // getDefaultExport function for compatibility with non-harmony modules 83 /******/ __webpack_require__.n = function(module) { 84 /******/ var getter = module && module.__esModule ? 85 /******/ function getDefault() { return module['default']; } : 86 /******/ function getModuleExports() { return module; }; 87 /******/ __webpack_require__.d(getter, 'a', getter); 88 /******/ return getter; 89 /******/ }; 90 /******/ 91 /******/ // Object.prototype.hasOwnProperty.call 92 /******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); }; 93 /******/ 94 /******/ // __webpack_public_path__ 95 /******/ __webpack_require__.p = ""; 96 /******/ 97 /******/ 98 /******/ // Load entry module and return exports 99 /******/ return __webpack_require__(__webpack_require__.s = "./build/index.js"); 100 /******/ }) 101 /************************************************************************/ 102 /******/ ({ 103 104 /***/ "./build/index.js": 105 /*!************************!*\ 106 !*** ./build/index.js ***! 107 \************************/ 108 /*! no static exports found */ 109 /***/ (function(module, exports, __webpack_require__) { 110 111 "use strict"; 112 113 114 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } 115 116 Object.defineProperty(exports, "__esModule", { 117 value: true 118 }); 119 exports.Socket = exports.io = exports.Manager = exports.protocol = void 0; 120 121 var url_1 = __webpack_require__(/*! ./url */ "./build/url.js"); 122 123 var manager_1 = __webpack_require__(/*! ./manager */ "./build/manager.js"); 124 125 var socket_1 = __webpack_require__(/*! ./socket */ "./build/socket.js"); 126 127 Object.defineProperty(exports, "Socket", { 128 enumerable: true, 129 get: function get() { 130 return socket_1.Socket; 6 (function (global, factory) { 7 typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : 8 typeof define === 'function' && define.amd ? define(factory) : 9 (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.io = factory()); 10 })(this, (function () { 'use strict'; 11 12 function _typeof(obj) { 13 "@babel/helpers - typeof"; 14 15 if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { 16 _typeof = function (obj) { 17 return typeof obj; 18 }; 19 } else { 20 _typeof = function (obj) { 21 return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; 22 }; 23 } 24 25 return _typeof(obj); 131 26 } 132 }); 133 134 var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client"); 135 /** 136 * Module exports. 137 */ 138 139 140 module.exports = exports = lookup; 141 /** 142 * Managers cache. 143 */ 144 145 var cache = exports.managers = {}; 146 147 function lookup(uri, opts) { 148 if (_typeof(uri) === "object") { 149 opts = uri; 150 uri = undefined; 27 28 function _classCallCheck(instance, Constructor) { 29 if (!(instance instanceof Constructor)) { 30 throw new TypeError("Cannot call a class as a function"); 31 } 151 32 } 152 33 153 opts = opts || {}; 154 var parsed = url_1.url(uri, opts.path); 155 var source = parsed.source; 156 var id = parsed.id; 157 var path = parsed.path; 158 var sameNamespace = cache[id] && path in cache[id]["nsps"]; 159 var newConnection = opts.forceNew || opts["force new connection"] || false === opts.multiplex || sameNamespace; 160 var io; 161 162 if (newConnection) { 163 debug("ignoring socket cache for %s", source); 164 io = new manager_1.Manager(source, opts); 165 } else { 166 if (!cache[id]) { 167 debug("new io instance for %s", source); 168 cache[id] = new manager_1.Manager(source, opts); 169 } 170 171 io = cache[id]; 34 function _defineProperties(target, props) { 35 for (var i = 0; i < props.length; i++) { 36 var descriptor = props[i]; 37 descriptor.enumerable = descriptor.enumerable || false; 38 descriptor.configurable = true; 39 if ("value" in descriptor) descriptor.writable = true; 40 Object.defineProperty(target, descriptor.key, descriptor); 41 } 172 42 } 173 43 174 if (parsed.query && !opts.query) { 175 opts.query = parsed.queryKey; 44 function _createClass(Constructor, protoProps, staticProps) { 45 if (protoProps) _defineProperties(Constructor.prototype, protoProps); 46 if (staticProps) _defineProperties(Constructor, staticProps); 47 return Constructor; 176 48 } 177 49 178 return io.socket(parsed.path, opts);179 } 180 181 exports.io = lookup;182 /** 183 * Protocol version.184 *185 * @public186 */187 188 var socket_io_parser_1 = __webpack_require__(/*! socket.io-parser */ "./node_modules/socket.io-parser/dist/index.js"); 189 190 Object.defineProperty(exports, "protocol", { 191 enumerable: true,192 get: function get() { 193 return socket_io_parser_1.protocol;50 function _extends() { 51 _extends = Object.assign || function (target) { 52 for (var i = 1; i < arguments.length; i++) { 53 var source = arguments[i]; 54 55 for (var key in source) { 56 if (Object.prototype.hasOwnProperty.call(source, key)) { 57 target[key] = source[key]; 58 } 59 } 60 } 61 62 return target; 63 }; 64 65 return _extends.apply(this, arguments); 194 66 } 195 }); 196 /** 197 * `connect`. 198 * 199 * @param {String} uri 200 * @public 201 */ 202 203 exports.connect = lookup; 204 /** 205 * Expose constructors for standalone build. 206 * 207 * @public 208 */ 209 210 var manager_2 = __webpack_require__(/*! ./manager */ "./build/manager.js"); 211 212 Object.defineProperty(exports, "Manager", { 213 enumerable: true, 214 get: function get() { 215 return manager_2.Manager; 67 68 function _inherits(subClass, superClass) { 69 if (typeof superClass !== "function" && superClass !== null) { 70 throw new TypeError("Super expression must either be null or a function"); 71 } 72 73 subClass.prototype = Object.create(superClass && superClass.prototype, { 74 constructor: { 75 value: subClass, 76 writable: true, 77 configurable: true 78 } 79 }); 80 if (superClass) _setPrototypeOf(subClass, superClass); 216 81 } 217 }); 218 219 /***/ }), 220 221 /***/ "./build/manager.js": 222 /*!**************************!*\ 223 !*** ./build/manager.js ***! 224 \**************************/ 225 /*! no static exports found */ 226 /***/ (function(module, exports, __webpack_require__) { 227 228 "use strict"; 229 230 231 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } 232 233 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } 234 235 function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } 236 237 function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } 238 239 function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); } 240 241 function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; } 242 243 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } 244 245 function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } 246 247 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } 248 249 function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } 250 251 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } 252 253 function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } 254 255 function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } 256 257 Object.defineProperty(exports, "__esModule", { 258 value: true 259 }); 260 exports.Manager = void 0; 261 262 var eio = __webpack_require__(/*! engine.io-client */ "./node_modules/engine.io-client/lib/index.js"); 263 264 var socket_1 = __webpack_require__(/*! ./socket */ "./build/socket.js"); 265 266 var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js"); 267 268 var parser = __webpack_require__(/*! socket.io-parser */ "./node_modules/socket.io-parser/dist/index.js"); 269 270 var on_1 = __webpack_require__(/*! ./on */ "./build/on.js"); 271 272 var Backoff = __webpack_require__(/*! backo2 */ "./node_modules/backo2/index.js"); 273 274 var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client:manager"); 275 276 var Manager = /*#__PURE__*/function (_Emitter) { 277 _inherits(Manager, _Emitter); 278 279 var _super = _createSuper(Manager); 280 281 function Manager(uri, opts) { 282 var _this; 283 284 _classCallCheck(this, Manager); 285 286 _this = _super.call(this); 287 _this.nsps = {}; 288 _this.subs = []; 289 290 if (uri && "object" === _typeof(uri)) { 291 opts = uri; 292 uri = undefined; 293 } 294 295 opts = opts || {}; 296 opts.path = opts.path || "/socket.io"; 297 _this.opts = opts; 298 299 _this.reconnection(opts.reconnection !== false); 300 301 _this.reconnectionAttempts(opts.reconnectionAttempts || Infinity); 302 303 _this.reconnectionDelay(opts.reconnectionDelay || 1000); 304 305 _this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000); 306 307 _this.randomizationFactor(opts.randomizationFactor || 0.5); 308 309 _this.backoff = new Backoff({ 310 min: _this.reconnectionDelay(), 311 max: _this.reconnectionDelayMax(), 312 jitter: _this.randomizationFactor() 82 83 function _getPrototypeOf(o) { 84 _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { 85 return o.__proto__ || Object.getPrototypeOf(o); 86 }; 87 return _getPrototypeOf(o); 88 } 89 90 function _setPrototypeOf(o, p) { 91 _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { 92 o.__proto__ = p; 93 return o; 94 }; 95 96 return _setPrototypeOf(o, p); 97 } 98 99 function _isNativeReflectConstruct() { 100 if (typeof Reflect === "undefined" || !Reflect.construct) return false; 101 if (Reflect.construct.sham) return false; 102 if (typeof Proxy === "function") return true; 103 104 try { 105 Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); 106 return true; 107 } catch (e) { 108 return false; 109 } 110 } 111 112 function _assertThisInitialized(self) { 113 if (self === void 0) { 114 throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); 115 } 116 117 return self; 118 } 119 120 function _possibleConstructorReturn(self, call) { 121 if (call && (typeof call === "object" || typeof call === "function")) { 122 return call; 123 } else if (call !== void 0) { 124 throw new TypeError("Derived constructors may only return object or undefined"); 125 } 126 127 return _assertThisInitialized(self); 128 } 129 130 function _createSuper(Derived) { 131 var hasNativeReflectConstruct = _isNativeReflectConstruct(); 132 133 return function _createSuperInternal() { 134 var Super = _getPrototypeOf(Derived), 135 result; 136 137 if (hasNativeReflectConstruct) { 138 var NewTarget = _getPrototypeOf(this).constructor; 139 140 result = Reflect.construct(Super, arguments, NewTarget); 141 } else { 142 result = Super.apply(this, arguments); 143 } 144 145 return _possibleConstructorReturn(this, result); 146 }; 147 } 148 149 function _superPropBase(object, property) { 150 while (!Object.prototype.hasOwnProperty.call(object, property)) { 151 object = _getPrototypeOf(object); 152 if (object === null) break; 153 } 154 155 return object; 156 } 157 158 function _get(target, property, receiver) { 159 if (typeof Reflect !== "undefined" && Reflect.get) { 160 _get = Reflect.get; 161 } else { 162 _get = function _get(target, property, receiver) { 163 var base = _superPropBase(target, property); 164 165 if (!base) return; 166 var desc = Object.getOwnPropertyDescriptor(base, property); 167 168 if (desc.get) { 169 return desc.get.call(receiver); 170 } 171 172 return desc.value; 173 }; 174 } 175 176 return _get(target, property, receiver || target); 177 } 178 179 function _unsupportedIterableToArray(o, minLen) { 180 if (!o) return; 181 if (typeof o === "string") return _arrayLikeToArray(o, minLen); 182 var n = Object.prototype.toString.call(o).slice(8, -1); 183 if (n === "Object" && o.constructor) n = o.constructor.name; 184 if (n === "Map" || n === "Set") return Array.from(o); 185 if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); 186 } 187 188 function _arrayLikeToArray(arr, len) { 189 if (len == null || len > arr.length) len = arr.length; 190 191 for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; 192 193 return arr2; 194 } 195 196 function _createForOfIteratorHelper(o, allowArrayLike) { 197 var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; 198 199 if (!it) { 200 if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { 201 if (it) o = it; 202 var i = 0; 203 204 var F = function () {}; 205 206 return { 207 s: F, 208 n: function () { 209 if (i >= o.length) return { 210 done: true 211 }; 212 return { 213 done: false, 214 value: o[i++] 215 }; 216 }, 217 e: function (e) { 218 throw e; 219 }, 220 f: F 221 }; 222 } 223 224 throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); 225 } 226 227 var normalCompletion = true, 228 didErr = false, 229 err; 230 return { 231 s: function () { 232 it = it.call(o); 233 }, 234 n: function () { 235 var step = it.next(); 236 normalCompletion = step.done; 237 return step; 238 }, 239 e: function (e) { 240 didErr = true; 241 err = e; 242 }, 243 f: function () { 244 try { 245 if (!normalCompletion && it.return != null) it.return(); 246 } finally { 247 if (didErr) throw err; 248 } 249 } 250 }; 251 } 252 253 /** 254 * Parses an URI 255 * 256 * @author Steven Levithan <stevenlevithan.com> (MIT license) 257 * @api private 258 */ 259 var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; 260 var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor']; 261 262 var parseuri = function parseuri(str) { 263 var src = str, 264 b = str.indexOf('['), 265 e = str.indexOf(']'); 266 267 if (b != -1 && e != -1) { 268 str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); 269 } 270 271 var m = re.exec(str || ''), 272 uri = {}, 273 i = 14; 274 275 while (i--) { 276 uri[parts[i]] = m[i] || ''; 277 } 278 279 if (b != -1 && e != -1) { 280 uri.source = src; 281 uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); 282 uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); 283 uri.ipv6uri = true; 284 } 285 286 uri.pathNames = pathNames(uri, uri['path']); 287 uri.queryKey = queryKey(uri, uri['query']); 288 return uri; 289 }; 290 291 function pathNames(obj, path) { 292 var regx = /\/{2,9}/g, 293 names = path.replace(regx, "/").split("/"); 294 295 if (path.substr(0, 1) == '/' || path.length === 0) { 296 names.splice(0, 1); 297 } 298 299 if (path.substr(path.length - 1, 1) == '/') { 300 names.splice(names.length - 1, 1); 301 } 302 303 return names; 304 } 305 306 function queryKey(uri, query) { 307 var data = {}; 308 query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) { 309 if ($1) { 310 data[$1] = $2; 311 } 313 312 }); 314 315 _this.timeout(null == opts.timeout ? 20000 : opts.timeout); 316 317 _this._readyState = "closed"; 318 _this.uri = uri; 319 320 var _parser = opts.parser || parser; 321 322 _this.encoder = new _parser.Encoder(); 323 _this.decoder = new _parser.Decoder(); 324 _this._autoConnect = opts.autoConnect !== false; 325 if (_this._autoConnect) _this.open(); 326 return _this; 313 return data; 327 314 } 328 315 329 _createClass(Manager, [{330 key: "reconnection",331 value: function reconnection(v) {332 if (!arguments.length) return this._reconnection;333 this._reconnection = !!v;334 return this;335 }336 }, {337 key: "reconnectionAttempts",338 value: function reconnectionAttempts(v) {339 if (v === undefined) return this._reconnectionAttempts;340 this._reconnectionAttempts = v;341 return this;342 }343 }, {344 key: "reconnectionDelay",345 value: function reconnectionDelay(v) {346 var _a;347 348 if (v === undefined) return this._reconnectionDelay;349 this._reconnectionDelay = v;350 (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v);351 return this;352 }353 }, {354 key: "randomizationFactor",355 value: function randomizationFactor(v) {356 var _a;357 358 if (v === undefined) return this._randomizationFactor;359 this._randomizationFactor = v;360 (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v);361 return this;362 }363 }, {364 key: "reconnectionDelayMax",365 value: function reconnectionDelayMax(v) {366 var _a;367 368 if (v === undefined) return this._reconnectionDelayMax;369 this._reconnectionDelayMax = v;370 (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v);371 return this;372 }373 }, {374 key: "timeout",375 value: function timeout(v) {376 if (!arguments.length) return this._timeout;377 this._timeout = v;378 return this;379 }380 /**381 * Starts trying to reconnect if reconnection is enabled and we have not382 * started reconnecting yet383 *384 * @private385 */386 387 }, {388 key: "maybeReconnectOnOpen",389 value: function maybeReconnectOnOpen() {390 // Only try to reconnect if it's the first time we're connecting391 if (!this._reconnecting && this._reconnection && this.backoff.attempts === 0) {392 // keeps reconnection from firing twice for the same reconnection loop393 this.reconnect();394 }395 }396 /**397 * Sets the current transport `socket`.398 *399 * @param {Function} fn - optional, callback400 * @return self401 * @public402 */403 404 }, {405 key: "open",406 value: function open(fn) {407 var _this2 = this;408 409 debug("readyState %s", this._readyState);410 if (~this._readyState.indexOf("open")) return this;411 debug("opening %s", this.uri);412 this.engine = eio(this.uri, this.opts);413 var socket = this.engine;414 var self = this;415 this._readyState = "opening";416 this.skipReconnect = false; // emit `open`417 418 var openSubDestroy = on_1.on(socket, "open", function () {419 self.onopen();420 fn && fn();421 }); // emit `error`422 423 var errorSub = on_1.on(socket, "error", function (err) {424 debug("error");425 self.cleanup();426 self._readyState = "closed";427 428 _get(_getPrototypeOf(Manager.prototype), "emit", _this2).call(_this2, "error", err);429 430 if (fn) {431 fn(err);432 } else {433 // Only do this if there is no fn to handle the error434 self.maybeReconnectOnOpen();435 }436 });437 438 if (false !== this._timeout) {439 var timeout = this._timeout;440 debug("connect attempt will timeout after %d", timeout);441 442 if (timeout === 0) {443 openSubDestroy(); // prevents a race condition with the 'open' event444 } // set timer445 446 447 var timer = setTimeout(function () {448 debug("connect attempt timed out after %d", timeout);449 openSubDestroy();450 socket.close();451 socket.emit("error", new Error("timeout"));452 }, timeout);453 this.subs.push(function subDestroy() {454 clearTimeout(timer);455 });456 }457 458 this.subs.push(openSubDestroy);459 this.subs.push(errorSub);460 return this;461 }462 /**463 * Alias for open()464 *465 * @return self466 * @public467 */468 469 }, {470 key: "connect",471 value: function connect(fn) {472 return this.open(fn);473 }474 /**475 * Called upon transport open.476 *477 * @private478 */479 480 }, {481 key: "onopen",482 value: function onopen() {483 debug("open"); // clear old subs484 485 this.cleanup(); // mark as open486 487 this._readyState = "open";488 489 _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "open"); // add new subs490 491 492 var socket = this.engine;493 this.subs.push(on_1.on(socket, "ping", this.onping.bind(this)), on_1.on(socket, "data", this.ondata.bind(this)), on_1.on(socket, "error", this.onerror.bind(this)), on_1.on(socket, "close", this.onclose.bind(this)), on_1.on(this.decoder, "decoded", this.ondecoded.bind(this)));494 }495 /**496 * Called upon a ping.497 *498 * @private499 */500 501 }, {502 key: "onping",503 value: function onping() {504 _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "ping");505 }506 /**507 * Called with data.508 *509 * @private510 */511 512 }, {513 key: "ondata",514 value: function ondata(data) {515 this.decoder.add(data);516 }517 /**518 * Called when parser fully decodes a packet.519 *520 * @private521 */522 523 }, {524 key: "ondecoded",525 value: function ondecoded(packet) {526 _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "packet", packet);527 }528 /**529 * Called upon socket error.530 *531 * @private532 */533 534 }, {535 key: "onerror",536 value: function onerror(err) {537 debug("error", err);538 539 _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "error", err);540 }541 /**542 * Creates a new socket for the given `nsp`.543 *544 * @return {Socket}545 * @public546 */547 548 }, {549 key: "socket",550 value: function socket(nsp, opts) {551 var socket = this.nsps[nsp];552 553 if (!socket) {554 socket = new socket_1.Socket(this, nsp, opts);555 this.nsps[nsp] = socket;556 }557 558 return socket;559 }560 /**561 * Called upon a socket close.562 *563 * @param socket564 * @private565 */566 567 }, {568 key: "_destroy",569 value: function _destroy(socket) {570 var nsps = Object.keys(this.nsps);571 572 for (var _i = 0, _nsps = nsps; _i < _nsps.length; _i++) {573 var nsp = _nsps[_i];574 var _socket = this.nsps[nsp];575 576 if (_socket.active) {577 debug("socket %s is still active, skipping close", nsp);578 return;579 }580 }581 582 this._close();583 }584 /**585 * Writes a packet.586 *587 * @param packet588 * @private589 */590 591 }, {592 key: "_packet",593 value: function _packet(packet) {594 debug("writing packet %j", packet);595 var encodedPackets = this.encoder.encode(packet);596 597 for (var i = 0; i < encodedPackets.length; i++) {598 this.engine.write(encodedPackets[i], packet.options);599 }600 }601 /**602 * Clean up transport subscriptions and packet buffer.603 *604 * @private605 */606 607 }, {608 key: "cleanup",609 value: function cleanup() {610 debug("cleanup");611 this.subs.forEach(function (subDestroy) {612 return subDestroy();613 });614 this.subs.length = 0;615 this.decoder.destroy();616 }617 /**618 * Close the current socket.619 *620 * @private621 */622 623 }, {624 key: "_close",625 value: function _close() {626 debug("disconnect");627 this.skipReconnect = true;628 this._reconnecting = false;629 630 if ("opening" === this._readyState) {631 // `onclose` will not fire because632 // an open event never happened633 this.cleanup();634 }635 636 this.backoff.reset();637 this._readyState = "closed";638 if (this.engine) this.engine.close();639 }640 /**641 * Alias for close()642 *643 * @private644 */645 646 }, {647 key: "disconnect",648 value: function disconnect() {649 return this._close();650 }651 /**652 * Called upon engine close.653 *654 * @private655 */656 657 }, {658 key: "onclose",659 value: function onclose(reason) {660 debug("onclose");661 this.cleanup();662 this.backoff.reset();663 this._readyState = "closed";664 665 _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "close", reason);666 667 if (this._reconnection && !this.skipReconnect) {668 this.reconnect();669 }670 }671 /**672 * Attempt a reconnection.673 *674 * @private675 */676 677 }, {678 key: "reconnect",679 value: function reconnect() {680 var _this3 = this;681 682 if (this._reconnecting || this.skipReconnect) return this;683 var self = this;684 685 if (this.backoff.attempts >= this._reconnectionAttempts) {686 debug("reconnect failed");687 this.backoff.reset();688 689 _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "reconnect_failed");690 691 this._reconnecting = false;692 } else {693 var delay = this.backoff.duration();694 debug("will wait %dms before reconnect attempt", delay);695 this._reconnecting = true;696 var timer = setTimeout(function () {697 if (self.skipReconnect) return;698 debug("attempting reconnect");699 700 _get(_getPrototypeOf(Manager.prototype), "emit", _this3).call(_this3, "reconnect_attempt", self.backoff.attempts); // check again for the case socket closed in above events701 702 703 if (self.skipReconnect) return;704 self.open(function (err) {705 if (err) {706 debug("reconnect attempt error");707 self._reconnecting = false;708 self.reconnect();709 710 _get(_getPrototypeOf(Manager.prototype), "emit", _this3).call(_this3, "reconnect_error", err);711 } else {712 debug("reconnect success");713 self.onreconnect();714 }715 });716 }, delay);717 this.subs.push(function subDestroy() {718 clearTimeout(timer);719 });720 }721 }722 /**723 * Called upon successful reconnect.724 *725 * @private726 */727 728 }, {729 key: "onreconnect",730 value: function onreconnect() {731 var attempt = this.backoff.attempts;732 this._reconnecting = false;733 this.backoff.reset();734 735 _get(_getPrototypeOf(Manager.prototype), "emit", this).call(this, "reconnect", attempt);736 }737 }]);738 739 return Manager;740 }(Emitter);741 742 exports.Manager = Manager;743 744 /***/ }),745 746 /***/ "./build/on.js":747 /*!*********************!*\748 !*** ./build/on.js ***!749 \*********************/750 /*! no static exports found */751 /***/ (function(module, exports, __webpack_require__) {752 753 "use strict";754 755 756 Object.defineProperty(exports, "__esModule", {757 value: true758 });759 exports.on = void 0;760 761 function on(obj, ev, fn) {762 obj.on(ev, fn);763 return function subDestroy() {764 obj.off(ev, fn);765 };766 }767 768 exports.on = on;769 770 /***/ }),771 772 /***/ "./build/socket.js":773 /*!*************************!*\774 !*** ./build/socket.js ***!775 \*************************/776 /*! no static exports found */777 /***/ (function(module, exports, __webpack_require__) {778 779 "use strict";780 781 782 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }783 784 function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }785 786 function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }787 788 function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }789 790 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }791 792 function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }793 794 function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }795 796 function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }797 798 function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }799 800 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }801 802 function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }803 804 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }805 806 function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }807 808 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }809 810 function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }811 812 function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }813 814 Object.defineProperty(exports, "__esModule", {815 value: true816 });817 exports.Socket = void 0;818 819 var socket_io_parser_1 = __webpack_require__(/*! socket.io-parser */ "./node_modules/socket.io-parser/dist/index.js");820 821 var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js");822 823 var on_1 = __webpack_require__(/*! ./on */ "./build/on.js");824 825 var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client:socket");826 /**827 * Internal events.828 * These events can't be emitted by the user.829 */830 831 832 var RESERVED_EVENTS = Object.freeze({833 connect: 1,834 connect_error: 1,835 disconnect: 1,836 disconnecting: 1,837 // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener838 newListener: 1,839 removeListener: 1840 });841 842 var Socket = /*#__PURE__*/function (_Emitter) {843 _inherits(Socket, _Emitter);844 845 var _super = _createSuper(Socket);846 847 316 /** 848 * `Socket` constructor.317 * URL parser. 849 318 * 319 * @param uri - url 320 * @param path - the request path of the connection 321 * @param loc - An object meant to mimic window.location. 322 * Defaults to window.location. 850 323 * @public 851 324 */ 852 function Socket(io, nsp, opts) { 853 var _this; 854 855 _classCallCheck(this, Socket); 856 857 _this = _super.call(this); 858 _this.receiveBuffer = []; 859 _this.sendBuffer = []; 860 _this.ids = 0; 861 _this.acks = {}; 862 _this.flags = {}; 863 _this.io = io; 864 _this.nsp = nsp; 865 _this.ids = 0; 866 _this.acks = {}; 867 _this.receiveBuffer = []; 868 _this.sendBuffer = []; 869 _this.connected = false; 870 _this.disconnected = true; 871 _this.flags = {}; 872 873 if (opts && opts.auth) { 874 _this.auth = opts.auth; 875 } 876 877 if (_this.io._autoConnect) _this.open(); 878 return _this; 325 326 function url(uri) { 327 var path = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : ""; 328 var loc = arguments.length > 2 ? arguments[2] : undefined; 329 var obj = uri; // default to window.location 330 331 loc = loc || typeof location !== "undefined" && location; 332 if (null == uri) uri = loc.protocol + "//" + loc.host; // relative path support 333 334 if (typeof uri === "string") { 335 if ("/" === uri.charAt(0)) { 336 if ("/" === uri.charAt(1)) { 337 uri = loc.protocol + uri; 338 } else { 339 uri = loc.host + uri; 340 } 341 } 342 343 if (!/^(https?|wss?):\/\//.test(uri)) { 344 if ("undefined" !== typeof loc) { 345 uri = loc.protocol + "//" + uri; 346 } else { 347 uri = "https://" + uri; 348 } 349 } // parse 350 351 352 obj = parseuri(uri); 353 } // make sure we treat `localhost:80` and `localhost` equally 354 355 356 if (!obj.port) { 357 if (/^(http|ws)$/.test(obj.protocol)) { 358 obj.port = "80"; 359 } else if (/^(http|ws)s$/.test(obj.protocol)) { 360 obj.port = "443"; 361 } 362 } 363 364 obj.path = obj.path || "/"; 365 var ipv6 = obj.host.indexOf(":") !== -1; 366 var host = ipv6 ? "[" + obj.host + "]" : obj.host; // define unique id 367 368 obj.id = obj.protocol + "://" + host + ":" + obj.port + path; // define href 369 370 obj.href = obj.protocol + "://" + host + (loc && loc.port === obj.port ? "" : ":" + obj.port); 371 return obj; 879 372 } 373 374 var hasCors = {exports: {}}; 375 880 376 /** 881 * Subscribe to open, close and packet events377 * Module exports. 882 378 * 883 * @private 379 * Logic borrowed from Modernizr: 380 * 381 * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js 884 382 */ 885 383 886 887 _createClass(Socket, [{ 888 key: "subEvents", 889 value: function subEvents() { 890 if (this.subs) return; 891 var io = this.io; 892 this.subs = [on_1.on(io, "open", this.onopen.bind(this)), on_1.on(io, "packet", this.onpacket.bind(this)), on_1.on(io, "error", this.onerror.bind(this)), on_1.on(io, "close", this.onclose.bind(this))]; 893 } 894 /** 895 * Whether the Socket will try to reconnect when its Manager connects or reconnects 896 */ 897 898 }, { 899 key: "connect", 900 901 /** 902 * "Opens" the socket. 903 * 904 * @public 905 */ 906 value: function connect() { 907 if (this.connected) return this; 908 this.subEvents(); 909 if (!this.io["_reconnecting"]) this.io.open(); // ensure open 910 911 if ("open" === this.io._readyState) this.onopen(); 912 return this; 913 } 914 /** 915 * Alias for connect() 916 */ 917 918 }, { 919 key: "open", 920 value: function open() { 921 return this.connect(); 922 } 923 /** 924 * Sends a `message` event. 925 * 926 * @return self 927 * @public 928 */ 929 930 }, { 931 key: "send", 932 value: function send() { 933 for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { 934 args[_key] = arguments[_key]; 935 } 936 937 args.unshift("message"); 938 this.emit.apply(this, args); 939 return this; 940 } 941 /** 942 * Override `emit`. 943 * If the event is in `events`, it's emitted normally. 944 * 945 * @param ev - event name 946 * @return self 947 * @public 948 */ 949 950 }, { 951 key: "emit", 952 value: function emit(ev) { 953 if (RESERVED_EVENTS.hasOwnProperty(ev)) { 954 throw new Error('"' + ev + '" is a reserved event name'); 955 } 956 957 for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { 958 args[_key2 - 1] = arguments[_key2]; 959 } 960 961 args.unshift(ev); 962 var packet = { 963 type: socket_io_parser_1.PacketType.EVENT, 964 data: args 965 }; 966 packet.options = {}; 967 packet.options.compress = this.flags.compress !== false; // event ack callback 968 969 if ("function" === typeof args[args.length - 1]) { 970 debug("emitting packet with ack id %d", this.ids); 971 this.acks[this.ids] = args.pop(); 972 packet.id = this.ids++; 973 } 974 975 var isTransportWritable = this.io.engine && this.io.engine.transport && this.io.engine.transport.writable; 976 var discardPacket = this.flags["volatile"] && (!isTransportWritable || !this.connected); 977 978 if (discardPacket) { 979 debug("discard packet as the transport is not currently writable"); 980 } else if (this.connected) { 981 this.packet(packet); 982 } else { 983 this.sendBuffer.push(packet); 984 } 985 986 this.flags = {}; 987 return this; 988 } 989 /** 990 * Sends a packet. 991 * 992 * @param packet 993 * @private 994 */ 995 996 }, { 997 key: "packet", 998 value: function packet(_packet) { 999 _packet.nsp = this.nsp; 1000 1001 this.io._packet(_packet); 1002 } 1003 /** 1004 * Called upon engine `open`. 1005 * 1006 * @private 1007 */ 1008 1009 }, { 1010 key: "onopen", 1011 value: function onopen() { 1012 var _this2 = this; 1013 1014 debug("transport is open - connecting"); 1015 1016 if (typeof this.auth == "function") { 1017 this.auth(function (data) { 1018 _this2.packet({ 1019 type: socket_io_parser_1.PacketType.CONNECT, 1020 data: data 1021 }); 1022 }); 1023 } else { 1024 this.packet({ 1025 type: socket_io_parser_1.PacketType.CONNECT, 1026 data: this.auth 1027 }); 1028 } 1029 } 1030 /** 1031 * Called upon engine or manager `error`. 1032 * 1033 * @param err 1034 * @private 1035 */ 1036 1037 }, { 1038 key: "onerror", 1039 value: function onerror(err) { 1040 if (!this.connected) { 1041 _get(_getPrototypeOf(Socket.prototype), "emit", this).call(this, "connect_error", err); 1042 } 1043 } 1044 /** 1045 * Called upon engine `close`. 1046 * 1047 * @param reason 1048 * @private 1049 */ 1050 1051 }, { 1052 key: "onclose", 1053 value: function onclose(reason) { 1054 debug("close (%s)", reason); 1055 this.connected = false; 1056 this.disconnected = true; 1057 delete this.id; 1058 1059 _get(_getPrototypeOf(Socket.prototype), "emit", this).call(this, "disconnect", reason); 1060 } 1061 /** 1062 * Called with socket packet. 1063 * 1064 * @param packet 1065 * @private 1066 */ 1067 1068 }, { 1069 key: "onpacket", 1070 value: function onpacket(packet) { 1071 var sameNamespace = packet.nsp === this.nsp; 1072 if (!sameNamespace) return; 1073 1074 switch (packet.type) { 1075 case socket_io_parser_1.PacketType.CONNECT: 1076 if (packet.data && packet.data.sid) { 1077 var id = packet.data.sid; 1078 this.onconnect(id); 1079 } else { 1080 _get(_getPrototypeOf(Socket.prototype), "emit", this).call(this, "connect_error", new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)")); 1081 } 1082 1083 break; 1084 1085 case socket_io_parser_1.PacketType.EVENT: 1086 this.onevent(packet); 1087 break; 1088 1089 case socket_io_parser_1.PacketType.BINARY_EVENT: 1090 this.onevent(packet); 1091 break; 1092 1093 case socket_io_parser_1.PacketType.ACK: 1094 this.onack(packet); 1095 break; 1096 1097 case socket_io_parser_1.PacketType.BINARY_ACK: 1098 this.onack(packet); 1099 break; 1100 1101 case socket_io_parser_1.PacketType.DISCONNECT: 1102 this.ondisconnect(); 1103 break; 1104 1105 case socket_io_parser_1.PacketType.CONNECT_ERROR: 1106 var err = new Error(packet.data.message); // @ts-ignore 1107 1108 err.data = packet.data.data; 1109 1110 _get(_getPrototypeOf(Socket.prototype), "emit", this).call(this, "connect_error", err); 1111 1112 break; 1113 } 1114 } 1115 /** 1116 * Called upon a server event. 1117 * 1118 * @param packet 1119 * @private 1120 */ 1121 1122 }, { 1123 key: "onevent", 1124 value: function onevent(packet) { 1125 var args = packet.data || []; 1126 debug("emitting event %j", args); 1127 1128 if (null != packet.id) { 1129 debug("attaching ack callback to event"); 1130 args.push(this.ack(packet.id)); 1131 } 1132 1133 if (this.connected) { 1134 this.emitEvent(args); 1135 } else { 1136 this.receiveBuffer.push(Object.freeze(args)); 1137 } 1138 } 1139 }, { 1140 key: "emitEvent", 1141 value: function emitEvent(args) { 1142 if (this._anyListeners && this._anyListeners.length) { 1143 var listeners = this._anyListeners.slice(); 1144 1145 var _iterator = _createForOfIteratorHelper(listeners), 1146 _step; 1147 1148 try { 1149 for (_iterator.s(); !(_step = _iterator.n()).done;) { 1150 var listener = _step.value; 1151 listener.apply(this, args); 1152 } 1153 } catch (err) { 1154 _iterator.e(err); 1155 } finally { 1156 _iterator.f(); 1157 } 1158 } 1159 1160 _get(_getPrototypeOf(Socket.prototype), "emit", this).apply(this, args); 1161 } 1162 /** 1163 * Produces an ack callback to emit with an event. 1164 * 1165 * @private 1166 */ 1167 1168 }, { 1169 key: "ack", 1170 value: function ack(id) { 1171 var self = this; 1172 var sent = false; 1173 return function () { 1174 // prevent double callbacks 1175 if (sent) return; 1176 sent = true; 1177 1178 for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { 1179 args[_key3] = arguments[_key3]; 1180 } 1181 1182 debug("sending ack %j", args); 1183 self.packet({ 1184 type: socket_io_parser_1.PacketType.ACK, 1185 id: id, 1186 data: args 1187 }); 1188 }; 1189 } 1190 /** 1191 * Called upon a server acknowlegement. 1192 * 1193 * @param packet 1194 * @private 1195 */ 1196 1197 }, { 1198 key: "onack", 1199 value: function onack(packet) { 1200 var ack = this.acks[packet.id]; 1201 1202 if ("function" === typeof ack) { 1203 debug("calling ack %s with %j", packet.id, packet.data); 1204 ack.apply(this, packet.data); 1205 delete this.acks[packet.id]; 1206 } else { 1207 debug("bad ack %s", packet.id); 1208 } 1209 } 1210 /** 1211 * Called upon server connect. 1212 * 1213 * @private 1214 */ 1215 1216 }, { 1217 key: "onconnect", 1218 value: function onconnect(id) { 1219 debug("socket connected with id %s", id); 1220 this.id = id; 1221 this.connected = true; 1222 this.disconnected = false; 1223 1224 _get(_getPrototypeOf(Socket.prototype), "emit", this).call(this, "connect"); 1225 1226 this.emitBuffered(); 1227 } 1228 /** 1229 * Emit buffered events (received and emitted). 1230 * 1231 * @private 1232 */ 1233 1234 }, { 1235 key: "emitBuffered", 1236 value: function emitBuffered() { 1237 var _this3 = this; 1238 1239 this.receiveBuffer.forEach(function (args) { 1240 return _this3.emitEvent(args); 1241 }); 1242 this.receiveBuffer = []; 1243 this.sendBuffer.forEach(function (packet) { 1244 return _this3.packet(packet); 1245 }); 1246 this.sendBuffer = []; 1247 } 1248 /** 1249 * Called upon server disconnect. 1250 * 1251 * @private 1252 */ 1253 1254 }, { 1255 key: "ondisconnect", 1256 value: function ondisconnect() { 1257 debug("server disconnect (%s)", this.nsp); 1258 this.destroy(); 1259 this.onclose("io server disconnect"); 1260 } 1261 /** 1262 * Called upon forced client/server side disconnections, 1263 * this method ensures the manager stops tracking us and 1264 * that reconnections don't get triggered for this. 1265 * 1266 * @private 1267 */ 1268 1269 }, { 1270 key: "destroy", 1271 value: function destroy() { 1272 if (this.subs) { 1273 // clean subscriptions to avoid reconnections 1274 this.subs.forEach(function (subDestroy) { 1275 return subDestroy(); 1276 }); 1277 this.subs = undefined; 1278 } 1279 1280 this.io["_destroy"](this); 1281 } 1282 /** 1283 * Disconnects the socket manually. 1284 * 1285 * @return self 1286 * @public 1287 */ 1288 1289 }, { 1290 key: "disconnect", 1291 value: function disconnect() { 1292 if (this.connected) { 1293 debug("performing disconnect (%s)", this.nsp); 1294 this.packet({ 1295 type: socket_io_parser_1.PacketType.DISCONNECT 1296 }); 1297 } // remove socket from pool 1298 1299 1300 this.destroy(); 1301 1302 if (this.connected) { 1303 // fire events 1304 this.onclose("io client disconnect"); 1305 } 1306 1307 return this; 1308 } 1309 /** 1310 * Alias for disconnect() 1311 * 1312 * @return self 1313 * @public 1314 */ 1315 1316 }, { 1317 key: "close", 1318 value: function close() { 1319 return this.disconnect(); 1320 } 1321 /** 1322 * Sets the compress flag. 1323 * 1324 * @param compress - if `true`, compresses the sending data 1325 * @return self 1326 * @public 1327 */ 1328 1329 }, { 1330 key: "compress", 1331 value: function compress(_compress) { 1332 this.flags.compress = _compress; 1333 return this; 1334 } 1335 /** 1336 * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not 1337 * ready to send messages. 1338 * 1339 * @returns self 1340 * @public 1341 */ 1342 1343 }, { 1344 key: "onAny", 1345 1346 /** 1347 * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the 1348 * callback. 1349 * 1350 * @param listener 1351 * @public 1352 */ 1353 value: function onAny(listener) { 1354 this._anyListeners = this._anyListeners || []; 1355 1356 this._anyListeners.push(listener); 1357 1358 return this; 1359 } 1360 /** 1361 * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the 1362 * callback. The listener is added to the beginning of the listeners array. 1363 * 1364 * @param listener 1365 * @public 1366 */ 1367 1368 }, { 1369 key: "prependAny", 1370 value: function prependAny(listener) { 1371 this._anyListeners = this._anyListeners || []; 1372 1373 this._anyListeners.unshift(listener); 1374 1375 return this; 1376 } 1377 /** 1378 * Removes the listener that will be fired when any event is emitted. 1379 * 1380 * @param listener 1381 * @public 1382 */ 1383 1384 }, { 1385 key: "offAny", 1386 value: function offAny(listener) { 1387 if (!this._anyListeners) { 1388 return this; 1389 } 1390 1391 if (listener) { 1392 var listeners = this._anyListeners; 1393 1394 for (var i = 0; i < listeners.length; i++) { 1395 if (listener === listeners[i]) { 1396 listeners.splice(i, 1); 1397 return this; 1398 } 1399 } 1400 } else { 1401 this._anyListeners = []; 1402 } 1403 1404 return this; 1405 } 1406 /** 1407 * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, 1408 * e.g. to remove listeners. 1409 * 1410 * @public 1411 */ 1412 1413 }, { 1414 key: "listenersAny", 1415 value: function listenersAny() { 1416 return this._anyListeners || []; 1417 } 1418 }, { 1419 key: "active", 1420 get: function get() { 1421 return !!this.subs; 1422 } 1423 }, { 1424 key: "volatile", 1425 get: function get() { 1426 this.flags["volatile"] = true; 1427 return this; 1428 } 1429 }]); 1430 1431 return Socket; 1432 }(Emitter); 1433 1434 exports.Socket = Socket; 1435 1436 /***/ }), 1437 1438 /***/ "./build/url.js": 1439 /*!**********************!*\ 1440 !*** ./build/url.js ***! 1441 \**********************/ 1442 /*! no static exports found */ 1443 /***/ (function(module, exports, __webpack_require__) { 1444 1445 "use strict"; 1446 1447 1448 Object.defineProperty(exports, "__esModule", { 1449 value: true 1450 }); 1451 exports.url = void 0; 1452 1453 var parseuri = __webpack_require__(/*! parseuri */ "./node_modules/parseuri/index.js"); 1454 1455 var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-client:url"); 1456 /** 1457 * URL parser. 1458 * 1459 * @param uri - url 1460 * @param path - the request path of the connection 1461 * @param loc - An object meant to mimic window.location. 1462 * Defaults to window.location. 1463 * @public 1464 */ 1465 1466 1467 function url(uri) { 1468 var path = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : ""; 1469 var loc = arguments.length > 2 ? arguments[2] : undefined; 1470 var obj = uri; // default to window.location 1471 1472 loc = loc || typeof location !== "undefined" && location; 1473 if (null == uri) uri = loc.protocol + "//" + loc.host; // relative path support 1474 1475 if (typeof uri === "string") { 1476 if ("/" === uri.charAt(0)) { 1477 if ("/" === uri.charAt(1)) { 1478 uri = loc.protocol + uri; 1479 } else { 1480 uri = loc.host + uri; 1481 } 1482 } 1483 1484 if (!/^(https?|wss?):\/\//.test(uri)) { 1485 debug("protocol-less url %s", uri); 1486 1487 if ("undefined" !== typeof loc) { 1488 uri = loc.protocol + "//" + uri; 1489 } else { 1490 uri = "https://" + uri; 1491 } 1492 } // parse 1493 1494 1495 debug("parse %s", uri); 1496 obj = parseuri(uri); 1497 } // make sure we treat `localhost:80` and `localhost` equally 1498 1499 1500 if (!obj.port) { 1501 if (/^(http|ws)$/.test(obj.protocol)) { 1502 obj.port = "80"; 1503 } else if (/^(http|ws)s$/.test(obj.protocol)) { 1504 obj.port = "443"; 1505 } 384 try { 385 hasCors.exports = typeof XMLHttpRequest !== 'undefined' && 'withCredentials' in new XMLHttpRequest(); 386 } catch (err) { 387 // if XMLHttp support is disabled in IE then it will throw 388 // when trying to create 389 hasCors.exports = false; 1506 390 } 1507 391 1508 obj.path = obj.path || "/"; 1509 var ipv6 = obj.host.indexOf(":") !== -1; 1510 var host = ipv6 ? "[" + obj.host + "]" : obj.host; // define unique id 1511 1512 obj.id = obj.protocol + "://" + host + ":" + obj.port + path; // define href 1513 1514 obj.href = obj.protocol + "://" + host + (loc && loc.port === obj.port ? "" : ":" + obj.port); 1515 return obj; 1516 } 1517 1518 exports.url = url; 1519 1520 /***/ }), 1521 1522 /***/ "./node_modules/backo2/index.js": 1523 /*!**************************************!*\ 1524 !*** ./node_modules/backo2/index.js ***! 1525 \**************************************/ 1526 /*! no static exports found */ 1527 /***/ (function(module, exports) { 1528 1529 /** 1530 * Expose `Backoff`. 1531 */ 1532 module.exports = Backoff; 1533 /** 1534 * Initialize backoff timer with `opts`. 1535 * 1536 * - `min` initial timeout in milliseconds [100] 1537 * - `max` max timeout [10000] 1538 * - `jitter` [0] 1539 * - `factor` [2] 1540 * 1541 * @param {Object} opts 1542 * @api public 1543 */ 1544 1545 function Backoff(opts) { 1546 opts = opts || {}; 1547 this.ms = opts.min || 100; 1548 this.max = opts.max || 10000; 1549 this.factor = opts.factor || 2; 1550 this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0; 1551 this.attempts = 0; 1552 } 1553 /** 1554 * Return the backoff duration. 1555 * 1556 * @return {Number} 1557 * @api public 1558 */ 1559 1560 1561 Backoff.prototype.duration = function () { 1562 var ms = this.ms * Math.pow(this.factor, this.attempts++); 1563 1564 if (this.jitter) { 1565 var rand = Math.random(); 1566 var deviation = Math.floor(rand * this.jitter * ms); 1567 ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation; 392 var hasCORS = hasCors.exports; 393 394 var globalThis = (function () { 395 if (typeof self !== "undefined") { 396 return self; 397 } else if (typeof window !== "undefined") { 398 return window; 399 } else { 400 return Function("return this")(); 401 } 402 })(); 403 404 // browser shim for xmlhttprequest module 405 function XMLHttpRequest$1 (opts) { 406 var xdomain = opts.xdomain; // XMLHttpRequest can be disabled on IE 407 408 try { 409 if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) { 410 return new XMLHttpRequest(); 411 } 412 } catch (e) {} 413 414 if (!xdomain) { 415 try { 416 return new globalThis[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP"); 417 } catch (e) {} 418 } 1568 419 } 1569 420 1570 return Math.min(ms, this.max) | 0; 1571 }; 1572 /** 1573 * Reset the number of attempts. 1574 * 1575 * @api public 1576 */ 1577 1578 1579 Backoff.prototype.reset = function () { 1580 this.attempts = 0; 1581 }; 1582 /** 1583 * Set the minimum duration 1584 * 1585 * @api public 1586 */ 1587 1588 1589 Backoff.prototype.setMin = function (min) { 1590 this.ms = min; 1591 }; 1592 /** 1593 * Set the maximum duration 1594 * 1595 * @api public 1596 */ 1597 1598 1599 Backoff.prototype.setMax = function (max) { 1600 this.max = max; 1601 }; 1602 /** 1603 * Set the jitter 1604 * 1605 * @api public 1606 */ 1607 1608 1609 Backoff.prototype.setJitter = function (jitter) { 1610 this.jitter = jitter; 1611 }; 1612 1613 /***/ }), 1614 1615 /***/ "./node_modules/component-emitter/index.js": 1616 /*!*************************************************!*\ 1617 !*** ./node_modules/component-emitter/index.js ***! 1618 \*************************************************/ 1619 /*! no static exports found */ 1620 /***/ (function(module, exports, __webpack_require__) { 1621 1622 /** 1623 * Expose `Emitter`. 1624 */ 1625 if (true) { 1626 module.exports = Emitter; 1627 } 1628 /** 1629 * Initialize a new `Emitter`. 1630 * 1631 * @api public 1632 */ 1633 1634 1635 function Emitter(obj) { 1636 if (obj) return mixin(obj); 1637 } 1638 1639 ; 1640 /** 1641 * Mixin the emitter properties. 1642 * 1643 * @param {Object} obj 1644 * @return {Object} 1645 * @api private 1646 */ 1647 1648 function mixin(obj) { 1649 for (var key in Emitter.prototype) { 1650 obj[key] = Emitter.prototype[key]; 421 function pick(obj) { 422 for (var _len = arguments.length, attr = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { 423 attr[_key - 1] = arguments[_key]; 424 } 425 426 return attr.reduce(function (acc, k) { 427 if (obj.hasOwnProperty(k)) { 428 acc[k] = obj[k]; 429 } 430 431 return acc; 432 }, {}); 433 } // Keep a reference to the real timeout functions so they can be used when overridden 434 435 var NATIVE_SET_TIMEOUT = setTimeout; 436 var NATIVE_CLEAR_TIMEOUT = clearTimeout; 437 function installTimerFunctions(obj, opts) { 438 if (opts.useNativeTimers) { 439 obj.setTimeoutFn = NATIVE_SET_TIMEOUT.bind(globalThis); 440 obj.clearTimeoutFn = NATIVE_CLEAR_TIMEOUT.bind(globalThis); 441 } else { 442 obj.setTimeoutFn = setTimeout.bind(globalThis); 443 obj.clearTimeoutFn = clearTimeout.bind(globalThis); 444 } 1651 445 } 1652 446 1653 return obj;1654 }1655 /**1656 * Listen on the given `event` with `fn`.1657 *1658 * @param {String} event1659 * @param {Function} fn1660 * @return {Emitter}1661 * @api public1662 */1663 1664 1665 Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) {1666 this._callbacks = this._callbacks || {};1667 (this._callbacks['$' + event] = this._callbacks['$' + event] || []).push(fn);1668 return this;1669 };1670 /**1671 * Adds an `event` listener that will be invoked a single1672 * time then automatically removed.1673 *1674 * @param {String} event1675 * @param {Function} fn1676 * @return {Emitter}1677 * @api public1678 */1679 1680 1681 Emitter.prototype.once = function (event, fn) {1682 function on() {1683 this.off(event, on);1684 fn.apply(this, arguments);1685 }1686 1687 on.fn = fn;1688 this.on(event, on);1689 return this;1690 };1691 /**1692 * Remove the given callback for `event` or all1693 * registered callbacks.1694 *1695 * @param {String} event1696 * @param {Function} fn1697 * @return {Emitter}1698 * @api public1699 */1700 1701 1702 Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) {1703 this._callbacks = this._callbacks || {}; // all1704 1705 if (0 == arguments.length) {1706 this._callbacks = {};1707 return this;1708 } // specific event1709 1710 1711 var callbacks = this._callbacks['$' + event];1712 if (!callbacks) return this; // remove all handlers1713 1714 if (1 == arguments.length) {1715 delete this._callbacks['$' + event];1716 return this;1717 } // remove specific handler1718 1719 1720 var cb;1721 1722 for (var i = 0; i < callbacks.length; i++) {1723 cb = callbacks[i];1724 1725 if (cb === fn || cb.fn === fn) {1726 callbacks.splice(i, 1);1727 break;1728 }1729 } // Remove event specific arrays for event types that no1730 // one is subscribed for to avoid memory leak.1731 1732 1733 if (callbacks.length === 0) {1734 delete this._callbacks['$' + event];1735 }1736 1737 return this;1738 };1739 /**1740 * Emit `event` with the given args.1741 *1742 * @param {String} event1743 * @param {Mixed} ...1744 * @return {Emitter}1745 */1746 1747 1748 Emitter.prototype.emit = function (event) {1749 this._callbacks = this._callbacks || {};1750 var args = new Array(arguments.length - 1),1751 callbacks = this._callbacks['$' + event];1752 1753 for (var i = 1; i < arguments.length; i++) {1754 args[i - 1] = arguments[i];1755 }1756 1757 if (callbacks) {1758 callbacks = callbacks.slice(0);1759 1760 for (var i = 0, len = callbacks.length; i < len; ++i) {1761 callbacks[i].apply(this, args);1762 }1763 }1764 1765 return this;1766 };1767 /**1768 * Return array of callbacks for `event`.1769 *1770 * @param {String} event1771 * @return {Array}1772 * @api public1773 */1774 1775 1776 Emitter.prototype.listeners = function (event) {1777 this._callbacks = this._callbacks || {};1778 return this._callbacks['$' + event] || [];1779 };1780 /**1781 * Check if this emitter has `event` handlers.1782 *1783 * @param {String} event1784 * @return {Boolean}1785 * @api public1786 */1787 1788 1789 Emitter.prototype.hasListeners = function (event) {1790 return !!this.listeners(event).length;1791 };1792 1793 /***/ }),1794 1795 /***/ "./node_modules/debug/src/browser.js":1796 /*!*******************************************!*\1797 !*** ./node_modules/debug/src/browser.js ***!1798 \*******************************************/1799 /*! no static exports found */1800 /***/ (function(module, exports, __webpack_require__) {1801 1802 /* eslint-env browser */1803 1804 /**1805 * This is the web browser implementation of `debug()`.1806 */1807 exports.formatArgs = formatArgs;1808 exports.save = save;1809 exports.load = load;1810 exports.useColors = useColors;1811 exports.storage = localstorage();1812 1813 exports.destroy = function () {1814 var warned = false;1815 return function () {1816 if (!warned) {1817 warned = true;1818 console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');1819 }1820 };1821 }();1822 /**1823 * Colors.1824 */1825 1826 1827 exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'];1828 /**1829 * Currently only WebKit-based Web Inspectors, Firefox >= v31,1830 * and the Firebug extension (any Firefox version) are known1831 * to support "%c" CSS customizations.1832 *1833 * TODO: add a `localStorage` variable to explicitly enable/disable colors1834 */1835 // eslint-disable-next-line complexity1836 1837 function useColors() {1838 // NB: In an Electron preload script, document will be defined but not fully1839 // initialized. Since we know we're in Chrome, we'll just detect this case1840 // explicitly1841 if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {1842 return true;1843 } // Internet Explorer and Edge do not support colors.1844 1845 1846 if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {1847 return false;1848 } // Is webkit? http://stackoverflow.com/a/16459606/3767731849 // document is undefined in react-native: https://github.com/facebook/react-native/pull/16321850 1851 1852 return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // Is firebug? http://stackoverflow.com/a/398120/3767731853 typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || // Is firefox >= v31?1854 // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages1855 typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || // Double check webkit in userAgent just in case we are in a worker1856 typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);1857 }1858 /**1859 * Colorize log arguments if enabled.1860 *1861 * @api public1862 */1863 1864 1865 function formatArgs(args) {1866 args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff);1867 1868 if (!this.useColors) {1869 return;1870 }1871 1872 var c = 'color: ' + this.color;1873 args.splice(1, 0, c, 'color: inherit'); // The final "%c" is somewhat tricky, because there could be other1874 // arguments passed either before or after the %c, so we need to1875 // figure out the correct index to insert the CSS into1876 1877 var index = 0;1878 var lastC = 0;1879 args[0].replace(/%[a-zA-Z%]/g, function (match) {1880 if (match === '%%') {1881 return;1882 }1883 1884 index++;1885 1886 if (match === '%c') {1887 // We only are interested in the *last* %c1888 // (the user may have provided their own)1889 lastC = index;1890 }1891 });1892 args.splice(lastC, 0, c);1893 }1894 /**1895 * Invokes `console.debug()` when available.1896 * No-op when `console.debug` is not a "function".1897 * If `console.debug` is not available, falls back1898 * to `console.log`.1899 *1900 * @api public1901 */1902 1903 1904 exports.log = console.debug || console.log || function () {};1905 /**1906 * Save `namespaces`.1907 *1908 * @param {String} namespaces1909 * @api private1910 */1911 1912 1913 function save(namespaces) {1914 try {1915 if (namespaces) {1916 exports.storage.setItem('debug', namespaces);1917 } else {1918 exports.storage.removeItem('debug');1919 }1920 } catch (error) {// Swallow1921 // XXX (@Qix-) should we be logging these?1922 }1923 }1924 /**1925 * Load `namespaces`.1926 *1927 * @return {String} returns the previously persisted debug modes1928 * @api private1929 */1930 1931 1932 function load() {1933 var r;1934 1935 try {1936 r = exports.storage.getItem('debug');1937 } catch (error) {// Swallow1938 // XXX (@Qix-) should we be logging these?1939 } // If debug isn't set in LS, and we're in Electron, try to load $DEBUG1940 1941 1942 if (!r && typeof process !== 'undefined' && 'env' in process) {1943 r = process.env.DEBUG;1944 }1945 1946 return r;1947 }1948 /**1949 * Localstorage attempts to return the localstorage.1950 *1951 * This is necessary because safari throws1952 * when a user disables cookies/localstorage1953 * and you attempt to access it.1954 *1955 * @return {LocalStorage}1956 * @api private1957 */1958 1959 1960 function localstorage() {1961 try {1962 // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context1963 // The Browser also has localStorage in the global context.1964 return localStorage;1965 } catch (error) {// Swallow1966 // XXX (@Qix-) should we be logging these?1967 }1968 }1969 1970 module.exports = __webpack_require__(/*! ./common */ "./node_modules/debug/src/common.js")(exports);1971 var formatters = module.exports.formatters;1972 /**1973 * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.1974 */1975 1976 formatters.j = function (v) {1977 try {1978 return JSON.stringify(v);1979 } catch (error) {1980 return '[UnexpectedJSONParseError]: ' + error.message;1981 }1982 };1983 1984 /***/ }),1985 1986 /***/ "./node_modules/debug/src/common.js":1987 /*!******************************************!*\1988 !*** ./node_modules/debug/src/common.js ***!1989 \******************************************/1990 /*! no static exports found */1991 /***/ (function(module, exports, __webpack_require__) {1992 1993 function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }1994 1995 function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }1996 1997 function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }1998 1999 function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }2000 2001 function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }2002 2003 function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }2004 2005 /**2006 * This is the common logic for both the Node.js and web browser2007 * implementations of `debug()`.2008 */2009 function setup(env) {2010 createDebug.debug = createDebug;2011 createDebug["default"] = createDebug;2012 createDebug.coerce = coerce;2013 createDebug.disable = disable;2014 createDebug.enable = enable;2015 createDebug.enabled = enabled;2016 createDebug.humanize = __webpack_require__(/*! ms */ "./node_modules/ms/index.js");2017 createDebug.destroy = destroy;2018 Object.keys(env).forEach(function (key) {2019 createDebug[key] = env[key];2020 });2021 447 /** 2022 * The currently active debug mode names, and names to skip. 2023 */ 2024 2025 createDebug.names = []; 2026 createDebug.skips = []; 448 * Expose `Emitter`. 449 */ 450 451 var Emitter_1 = Emitter; 2027 452 /** 2028 * Map of special "%n" handling functions, for the debug "format" argument. 2029 * 2030 * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N". 2031 */ 2032 2033 createDebug.formatters = {}; 2034 /** 2035 * Selects a color for a debug namespace 2036 * @param {String} namespace The namespace string for the for the debug instance to be colored 2037 * @return {Number|String} An ANSI color code for the given namespace 2038 * @api private 2039 */ 2040 2041 function selectColor(namespace) { 2042 var hash = 0; 2043 2044 for (var i = 0; i < namespace.length; i++) { 2045 hash = (hash << 5) - hash + namespace.charCodeAt(i); 2046 hash |= 0; // Convert to 32bit integer 2047 } 2048 2049 return createDebug.colors[Math.abs(hash) % createDebug.colors.length]; 2050 } 2051 2052 createDebug.selectColor = selectColor; 2053 /** 2054 * Create a debugger with the given `namespace`. 2055 * 2056 * @param {String} namespace 2057 * @return {Function} 2058 * @api public 2059 */ 2060 2061 function createDebug(namespace) { 2062 var prevTime; 2063 var enableOverride = null; 2064 2065 function debug() { 2066 for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { 2067 args[_key] = arguments[_key]; 2068 } 2069 2070 // Disabled? 2071 if (!debug.enabled) { 2072 return; 2073 } 2074 2075 var self = debug; // Set `diff` timestamp 2076 2077 var curr = Number(new Date()); 2078 var ms = curr - (prevTime || curr); 2079 self.diff = ms; 2080 self.prev = prevTime; 2081 self.curr = curr; 2082 prevTime = curr; 2083 args[0] = createDebug.coerce(args[0]); 2084 2085 if (typeof args[0] !== 'string') { 2086 // Anything else let's inspect with %O 2087 args.unshift('%O'); 2088 } // Apply any `formatters` transformations 2089 2090 2091 var index = 0; 2092 args[0] = args[0].replace(/%([a-zA-Z%])/g, function (match, format) { 2093 // If we encounter an escaped % then don't increase the array index 2094 if (match === '%%') { 2095 return '%'; 2096 } 2097 2098 index++; 2099 var formatter = createDebug.formatters[format]; 2100 2101 if (typeof formatter === 'function') { 2102 var val = args[index]; 2103 match = formatter.call(self, val); // Now we need to remove `args[index]` since it's inlined in the `format` 2104 2105 args.splice(index, 1); 2106 index--; 2107 } 2108 2109 return match; 2110 }); // Apply env-specific formatting (colors, etc.) 2111 2112 createDebug.formatArgs.call(self, args); 2113 var logFn = self.log || createDebug.log; 2114 logFn.apply(self, args); 2115 } 2116 2117 debug.namespace = namespace; 2118 debug.useColors = createDebug.useColors(); 2119 debug.color = createDebug.selectColor(namespace); 2120 debug.extend = extend; 2121 debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release. 2122 2123 Object.defineProperty(debug, 'enabled', { 2124 enumerable: true, 2125 configurable: false, 2126 get: function get() { 2127 return enableOverride === null ? createDebug.enabled(namespace) : enableOverride; 2128 }, 2129 set: function set(v) { 2130 enableOverride = v; 2131 } 2132 }); // Env-specific initialization logic for debug instances 2133 2134 if (typeof createDebug.init === 'function') { 2135 createDebug.init(debug); 2136 } 2137 2138 return debug; 2139 } 2140 2141 function extend(namespace, delimiter) { 2142 var newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace); 2143 newDebug.log = this.log; 2144 return newDebug; 2145 } 2146 /** 2147 * Enables a debug mode by namespaces. This can include modes 2148 * separated by a colon and wildcards. 2149 * 2150 * @param {String} namespaces 2151 * @api public 2152 */ 2153 2154 2155 function enable(namespaces) { 2156 createDebug.save(namespaces); 2157 createDebug.names = []; 2158 createDebug.skips = []; 2159 var i; 2160 var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/); 2161 var len = split.length; 2162 2163 for (i = 0; i < len; i++) { 2164 if (!split[i]) { 2165 // ignore empty strings 2166 continue; 2167 } 2168 2169 namespaces = split[i].replace(/\*/g, '.*?'); 2170 2171 if (namespaces[0] === '-') { 2172 createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$')); 2173 } else { 2174 createDebug.names.push(new RegExp('^' + namespaces + '$')); 2175 } 2176 } 2177 } 2178 /** 2179 * Disable debug output. 2180 * 2181 * @return {String} namespaces 2182 * @api public 2183 */ 2184 2185 2186 function disable() { 2187 var namespaces = [].concat(_toConsumableArray(createDebug.names.map(toNamespace)), _toConsumableArray(createDebug.skips.map(toNamespace).map(function (namespace) { 2188 return '-' + namespace; 2189 }))).join(','); 2190 createDebug.enable(''); 2191 return namespaces; 2192 } 2193 /** 2194 * Returns true if the given mode name is enabled, false otherwise. 2195 * 2196 * @param {String} name 2197 * @return {Boolean} 2198 * @api public 2199 */ 2200 2201 2202 function enabled(name) { 2203 if (name[name.length - 1] === '*') { 2204 return true; 2205 } 2206 2207 var i; 2208 var len; 2209 2210 for (i = 0, len = createDebug.skips.length; i < len; i++) { 2211 if (createDebug.skips[i].test(name)) { 2212 return false; 2213 } 2214 } 2215 2216 for (i = 0, len = createDebug.names.length; i < len; i++) { 2217 if (createDebug.names[i].test(name)) { 2218 return true; 2219 } 2220 } 2221 2222 return false; 2223 } 2224 /** 2225 * Convert regexp to namespace 2226 * 2227 * @param {RegExp} regxep 2228 * @return {String} namespace 2229 * @api private 2230 */ 2231 2232 2233 function toNamespace(regexp) { 2234 return regexp.toString().substring(2, regexp.toString().length - 2).replace(/\.\*\?$/, '*'); 2235 } 2236 /** 2237 * Coerce `val`. 2238 * 2239 * @param {Mixed} val 2240 * @return {Mixed} 2241 * @api private 2242 */ 2243 2244 2245 function coerce(val) { 2246 if (val instanceof Error) { 2247 return val.stack || val.message; 2248 } 2249 2250 return val; 2251 } 2252 /** 2253 * XXX DO NOT USE. This is a temporary stub function. 2254 * XXX It WILL be removed in the next major release. 2255 */ 2256 2257 2258 function destroy() { 2259 console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'); 2260 } 2261 2262 createDebug.enable(createDebug.load()); 2263 return createDebug; 2264 } 2265 2266 module.exports = setup; 2267 2268 /***/ }), 2269 2270 /***/ "./node_modules/engine.io-client/lib/globalThis.browser.js": 2271 /*!*****************************************************************!*\ 2272 !*** ./node_modules/engine.io-client/lib/globalThis.browser.js ***! 2273 \*****************************************************************/ 2274 /*! no static exports found */ 2275 /***/ (function(module, exports) { 2276 2277 module.exports = function () { 2278 if (typeof self !== "undefined") { 2279 return self; 2280 } else if (typeof window !== "undefined") { 2281 return window; 2282 } else { 2283 return Function("return this")(); 2284 } 2285 }(); 2286 2287 /***/ }), 2288 2289 /***/ "./node_modules/engine.io-client/lib/index.js": 2290 /*!****************************************************!*\ 2291 !*** ./node_modules/engine.io-client/lib/index.js ***! 2292 \****************************************************/ 2293 /*! no static exports found */ 2294 /***/ (function(module, exports, __webpack_require__) { 2295 2296 var Socket = __webpack_require__(/*! ./socket */ "./node_modules/engine.io-client/lib/socket.js"); 2297 2298 module.exports = function (uri, opts) { 2299 return new Socket(uri, opts); 2300 }; 2301 /** 2302 * Expose deps for legacy compatibility 2303 * and standalone browser access. 2304 */ 2305 2306 2307 module.exports.Socket = Socket; 2308 module.exports.protocol = Socket.protocol; // this is an int 2309 2310 module.exports.Transport = __webpack_require__(/*! ./transport */ "./node_modules/engine.io-client/lib/transport.js"); 2311 module.exports.transports = __webpack_require__(/*! ./transports/index */ "./node_modules/engine.io-client/lib/transports/index.js"); 2312 module.exports.parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js"); 2313 2314 /***/ }), 2315 2316 /***/ "./node_modules/engine.io-client/lib/socket.js": 2317 /*!*****************************************************!*\ 2318 !*** ./node_modules/engine.io-client/lib/socket.js ***! 2319 \*****************************************************/ 2320 /*! no static exports found */ 2321 /***/ (function(module, exports, __webpack_require__) { 2322 2323 function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); } 2324 2325 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } 2326 2327 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } 2328 2329 function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } 2330 2331 function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } 2332 2333 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } 2334 2335 function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } 2336 2337 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } 2338 2339 function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } 2340 2341 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } 2342 2343 function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } 2344 2345 function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } 2346 2347 var transports = __webpack_require__(/*! ./transports/index */ "./node_modules/engine.io-client/lib/transports/index.js"); 2348 2349 var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js"); 2350 2351 var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:socket"); 2352 2353 var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js"); 2354 2355 var parseuri = __webpack_require__(/*! parseuri */ "./node_modules/parseuri/index.js"); 2356 2357 var parseqs = __webpack_require__(/*! parseqs */ "./node_modules/parseqs/index.js"); 2358 2359 var Socket = /*#__PURE__*/function (_Emitter) { 2360 _inherits(Socket, _Emitter); 2361 2362 var _super = _createSuper(Socket); 2363 2364 /** 2365 * Socket constructor. 2366 * 2367 * @param {String|Object} uri or options 2368 * @param {Object} options 2369 * @api public 2370 */ 2371 function Socket(uri) { 2372 var _this; 2373 2374 var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; 2375 2376 _classCallCheck(this, Socket); 2377 2378 _this = _super.call(this); 2379 2380 if (uri && "object" === _typeof(uri)) { 2381 opts = uri; 2382 uri = null; 2383 } 2384 2385 if (uri) { 2386 uri = parseuri(uri); 2387 opts.hostname = uri.host; 2388 opts.secure = uri.protocol === "https" || uri.protocol === "wss"; 2389 opts.port = uri.port; 2390 if (uri.query) opts.query = uri.query; 2391 } else if (opts.host) { 2392 opts.hostname = parseuri(opts.host).host; 2393 } 2394 2395 _this.secure = null != opts.secure ? opts.secure : typeof location !== "undefined" && "https:" === location.protocol; 2396 2397 if (opts.hostname && !opts.port) { 2398 // if no port is specified manually, use the protocol default 2399 opts.port = _this.secure ? "443" : "80"; 2400 } 2401 2402 _this.hostname = opts.hostname || (typeof location !== "undefined" ? location.hostname : "localhost"); 2403 _this.port = opts.port || (typeof location !== "undefined" && location.port ? location.port : _this.secure ? 443 : 80); 2404 _this.transports = opts.transports || ["polling", "websocket"]; 2405 _this.readyState = ""; 2406 _this.writeBuffer = []; 2407 _this.prevBufferLen = 0; 2408 _this.opts = _extends({ 2409 path: "/engine.io", 2410 agent: false, 2411 withCredentials: false, 2412 upgrade: true, 2413 jsonp: true, 2414 timestampParam: "t", 2415 rememberUpgrade: false, 2416 rejectUnauthorized: true, 2417 perMessageDeflate: { 2418 threshold: 1024 2419 }, 2420 transportOptions: {} 2421 }, opts); 2422 _this.opts.path = _this.opts.path.replace(/\/$/, "") + "/"; 2423 2424 if (typeof _this.opts.query === "string") { 2425 _this.opts.query = parseqs.decode(_this.opts.query); 2426 } // set on handshake 2427 2428 2429 _this.id = null; 2430 _this.upgrades = null; 2431 _this.pingInterval = null; 2432 _this.pingTimeout = null; // set on heartbeat 2433 2434 _this.pingTimeoutTimer = null; 2435 2436 if (typeof addEventListener === "function") { 2437 addEventListener("beforeunload", function () { 2438 if (_this.transport) { 2439 // silently close the transport 2440 _this.transport.removeAllListeners(); 2441 2442 _this.transport.close(); 2443 } 2444 }, false); 2445 } 2446 2447 _this.open(); 2448 2449 return _this; 2450 } 2451 /** 2452 * Creates transport of the given type. 2453 * 2454 * @param {String} transport name 2455 * @return {Transport} 2456 * @api private 2457 */ 2458 2459 2460 _createClass(Socket, [{ 2461 key: "createTransport", 2462 value: function createTransport(name) { 2463 debug('creating transport "%s"', name); 2464 var query = clone(this.opts.query); // append engine.io protocol identifier 2465 2466 query.EIO = parser.protocol; // transport name 2467 2468 query.transport = name; // session id if we already have one 2469 2470 if (this.id) query.sid = this.id; 2471 2472 var opts = _extends({}, this.opts.transportOptions[name], this.opts, { 2473 query: query, 2474 socket: this, 2475 hostname: this.hostname, 2476 secure: this.secure, 2477 port: this.port 2478 }); 2479 2480 debug("options: %j", opts); 2481 return new transports[name](opts); 2482 } 2483 /** 2484 * Initializes transport to use and starts probe. 2485 * 2486 * @api private 2487 */ 2488 2489 }, { 2490 key: "open", 2491 value: function open() { 2492 var transport; 2493 2494 if (this.opts.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf("websocket") !== -1) { 2495 transport = "websocket"; 2496 } else if (0 === this.transports.length) { 2497 // Emit error on next tick so it can be listened to 2498 var self = this; 2499 setTimeout(function () { 2500 self.emit("error", "No transports available"); 2501 }, 0); 2502 return; 2503 } else { 2504 transport = this.transports[0]; 2505 } 2506 2507 this.readyState = "opening"; // Retry with the next transport if the transport is disabled (jsonp: false) 2508 2509 try { 2510 transport = this.createTransport(transport); 2511 } catch (e) { 2512 debug("error while creating transport: %s", e); 2513 this.transports.shift(); 2514 this.open(); 2515 return; 2516 } 2517 2518 transport.open(); 2519 this.setTransport(transport); 2520 } 2521 /** 2522 * Sets the current transport. Disables the existing one (if any). 2523 * 2524 * @api private 2525 */ 2526 2527 }, { 2528 key: "setTransport", 2529 value: function setTransport(transport) { 2530 debug("setting transport %s", transport.name); 2531 var self = this; 2532 2533 if (this.transport) { 2534 debug("clearing existing transport %s", this.transport.name); 2535 this.transport.removeAllListeners(); 2536 } // set up transport 2537 2538 2539 this.transport = transport; // set up transport listeners 2540 2541 transport.on("drain", function () { 2542 self.onDrain(); 2543 }).on("packet", function (packet) { 2544 self.onPacket(packet); 2545 }).on("error", function (e) { 2546 self.onError(e); 2547 }).on("close", function () { 2548 self.onClose("transport close"); 2549 }); 2550 } 2551 /** 2552 * Probes a transport. 2553 * 2554 * @param {String} transport name 2555 * @api private 2556 */ 2557 2558 }, { 2559 key: "probe", 2560 value: function probe(name) { 2561 debug('probing transport "%s"', name); 2562 var transport = this.createTransport(name, { 2563 probe: 1 2564 }); 2565 var failed = false; 2566 var self = this; 2567 Socket.priorWebsocketSuccess = false; 2568 2569 function onTransportOpen() { 2570 if (self.onlyBinaryUpgrades) { 2571 var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary; 2572 failed = failed || upgradeLosesBinary; 2573 } 2574 2575 if (failed) return; 2576 debug('probe transport "%s" opened', name); 2577 transport.send([{ 2578 type: "ping", 2579 data: "probe" 2580 }]); 2581 transport.once("packet", function (msg) { 2582 if (failed) return; 2583 2584 if ("pong" === msg.type && "probe" === msg.data) { 2585 debug('probe transport "%s" pong', name); 2586 self.upgrading = true; 2587 self.emit("upgrading", transport); 2588 if (!transport) return; 2589 Socket.priorWebsocketSuccess = "websocket" === transport.name; 2590 debug('pausing current transport "%s"', self.transport.name); 2591 self.transport.pause(function () { 2592 if (failed) return; 2593 if ("closed" === self.readyState) return; 2594 debug("changing transport and sending upgrade packet"); 2595 cleanup(); 2596 self.setTransport(transport); 2597 transport.send([{ 2598 type: "upgrade" 2599 }]); 2600 self.emit("upgrade", transport); 2601 transport = null; 2602 self.upgrading = false; 2603 self.flush(); 2604 }); 2605 } else { 2606 debug('probe transport "%s" failed', name); 2607 var err = new Error("probe error"); 2608 err.transport = transport.name; 2609 self.emit("upgradeError", err); 2610 } 2611 }); 2612 } 2613 2614 function freezeTransport() { 2615 if (failed) return; // Any callback called by transport should be ignored since now 2616 2617 failed = true; 2618 cleanup(); 2619 transport.close(); 2620 transport = null; 2621 } // Handle any error that happens while probing 2622 2623 2624 function onerror(err) { 2625 var error = new Error("probe error: " + err); 2626 error.transport = transport.name; 2627 freezeTransport(); 2628 debug('probe transport "%s" failed because of error: %s', name, err); 2629 self.emit("upgradeError", error); 2630 } 2631 2632 function onTransportClose() { 2633 onerror("transport closed"); 2634 } // When the socket is closed while we're probing 2635 2636 2637 function onclose() { 2638 onerror("socket closed"); 2639 } // When the socket is upgraded while we're probing 2640 2641 2642 function onupgrade(to) { 2643 if (transport && to.name !== transport.name) { 2644 debug('"%s" works - aborting "%s"', to.name, transport.name); 2645 freezeTransport(); 2646 } 2647 } // Remove all listeners on the transport and on self 2648 2649 2650 function cleanup() { 2651 transport.removeListener("open", onTransportOpen); 2652 transport.removeListener("error", onerror); 2653 transport.removeListener("close", onTransportClose); 2654 self.removeListener("close", onclose); 2655 self.removeListener("upgrading", onupgrade); 2656 } 2657 2658 transport.once("open", onTransportOpen); 2659 transport.once("error", onerror); 2660 transport.once("close", onTransportClose); 2661 this.once("close", onclose); 2662 this.once("upgrading", onupgrade); 2663 transport.open(); 2664 } 2665 /** 2666 * Called when connection is deemed open. 2667 * 2668 * @api public 2669 */ 2670 2671 }, { 2672 key: "onOpen", 2673 value: function onOpen() { 2674 debug("socket open"); 2675 this.readyState = "open"; 2676 Socket.priorWebsocketSuccess = "websocket" === this.transport.name; 2677 this.emit("open"); 2678 this.flush(); // we check for `readyState` in case an `open` 2679 // listener already closed the socket 2680 2681 if ("open" === this.readyState && this.opts.upgrade && this.transport.pause) { 2682 debug("starting upgrade probes"); 2683 var i = 0; 2684 var l = this.upgrades.length; 2685 2686 for (; i < l; i++) { 2687 this.probe(this.upgrades[i]); 2688 } 2689 } 2690 } 2691 /** 2692 * Handles a packet. 2693 * 2694 * @api private 2695 */ 2696 2697 }, { 2698 key: "onPacket", 2699 value: function onPacket(packet) { 2700 if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) { 2701 debug('socket receive: type "%s", data "%s"', packet.type, packet.data); 2702 this.emit("packet", packet); // Socket is live - any packet counts 2703 2704 this.emit("heartbeat"); 2705 2706 switch (packet.type) { 2707 case "open": 2708 this.onHandshake(JSON.parse(packet.data)); 2709 break; 2710 2711 case "ping": 2712 this.resetPingTimeout(); 2713 this.sendPacket("pong"); 2714 this.emit("pong"); 2715 break; 2716 2717 case "error": 2718 var err = new Error("server error"); 2719 err.code = packet.data; 2720 this.onError(err); 2721 break; 2722 2723 case "message": 2724 this.emit("data", packet.data); 2725 this.emit("message", packet.data); 2726 break; 2727 } 2728 } else { 2729 debug('packet received with socket readyState "%s"', this.readyState); 2730 } 2731 } 2732 /** 2733 * Called upon handshake completion. 2734 * 2735 * @param {Object} handshake obj 2736 * @api private 2737 */ 2738 2739 }, { 2740 key: "onHandshake", 2741 value: function onHandshake(data) { 2742 this.emit("handshake", data); 2743 this.id = data.sid; 2744 this.transport.query.sid = data.sid; 2745 this.upgrades = this.filterUpgrades(data.upgrades); 2746 this.pingInterval = data.pingInterval; 2747 this.pingTimeout = data.pingTimeout; 2748 this.onOpen(); // In case open handler closes socket 2749 2750 if ("closed" === this.readyState) return; 2751 this.resetPingTimeout(); 2752 } 2753 /** 2754 * Sets and resets ping timeout timer based on server pings. 2755 * 2756 * @api private 2757 */ 2758 2759 }, { 2760 key: "resetPingTimeout", 2761 value: function resetPingTimeout() { 2762 var _this2 = this; 2763 2764 clearTimeout(this.pingTimeoutTimer); 2765 this.pingTimeoutTimer = setTimeout(function () { 2766 _this2.onClose("ping timeout"); 2767 }, this.pingInterval + this.pingTimeout); 2768 } 2769 /** 2770 * Called on `drain` event 2771 * 2772 * @api private 2773 */ 2774 2775 }, { 2776 key: "onDrain", 2777 value: function onDrain() { 2778 this.writeBuffer.splice(0, this.prevBufferLen); // setting prevBufferLen = 0 is very important 2779 // for example, when upgrading, upgrade packet is sent over, 2780 // and a nonzero prevBufferLen could cause problems on `drain` 2781 2782 this.prevBufferLen = 0; 2783 2784 if (0 === this.writeBuffer.length) { 2785 this.emit("drain"); 2786 } else { 2787 this.flush(); 2788 } 2789 } 2790 /** 2791 * Flush write buffers. 2792 * 2793 * @api private 2794 */ 2795 2796 }, { 2797 key: "flush", 2798 value: function flush() { 2799 if ("closed" !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) { 2800 debug("flushing %d packets in socket", this.writeBuffer.length); 2801 this.transport.send(this.writeBuffer); // keep track of current length of writeBuffer 2802 // splice writeBuffer and callbackBuffer on `drain` 2803 2804 this.prevBufferLen = this.writeBuffer.length; 2805 this.emit("flush"); 2806 } 2807 } 2808 /** 2809 * Sends a message. 2810 * 2811 * @param {String} message. 2812 * @param {Function} callback function. 2813 * @param {Object} options. 2814 * @return {Socket} for chaining. 2815 * @api public 2816 */ 2817 2818 }, { 2819 key: "write", 2820 value: function write(msg, options, fn) { 2821 this.sendPacket("message", msg, options, fn); 2822 return this; 2823 } 2824 }, { 2825 key: "send", 2826 value: function send(msg, options, fn) { 2827 this.sendPacket("message", msg, options, fn); 2828 return this; 2829 } 2830 /** 2831 * Sends a packet. 2832 * 2833 * @param {String} packet type. 2834 * @param {String} data. 2835 * @param {Object} options. 2836 * @param {Function} callback function. 2837 * @api private 2838 */ 2839 2840 }, { 2841 key: "sendPacket", 2842 value: function sendPacket(type, data, options, fn) { 2843 if ("function" === typeof data) { 2844 fn = data; 2845 data = undefined; 2846 } 2847 2848 if ("function" === typeof options) { 2849 fn = options; 2850 options = null; 2851 } 2852 2853 if ("closing" === this.readyState || "closed" === this.readyState) { 2854 return; 2855 } 2856 2857 options = options || {}; 2858 options.compress = false !== options.compress; 2859 var packet = { 2860 type: type, 2861 data: data, 2862 options: options 2863 }; 2864 this.emit("packetCreate", packet); 2865 this.writeBuffer.push(packet); 2866 if (fn) this.once("flush", fn); 2867 this.flush(); 2868 } 2869 /** 2870 * Closes the connection. 2871 * 2872 * @api private 2873 */ 2874 2875 }, { 2876 key: "close", 2877 value: function close() { 2878 var self = this; 2879 2880 if ("opening" === this.readyState || "open" === this.readyState) { 2881 this.readyState = "closing"; 2882 2883 if (this.writeBuffer.length) { 2884 this.once("drain", function () { 2885 if (this.upgrading) { 2886 waitForUpgrade(); 2887 } else { 2888 close(); 2889 } 2890 }); 2891 } else if (this.upgrading) { 2892 waitForUpgrade(); 2893 } else { 2894 close(); 2895 } 2896 } 2897 2898 function close() { 2899 self.onClose("forced close"); 2900 debug("socket closing - telling transport to close"); 2901 self.transport.close(); 2902 } 2903 2904 function cleanupAndClose() { 2905 self.removeListener("upgrade", cleanupAndClose); 2906 self.removeListener("upgradeError", cleanupAndClose); 2907 close(); 2908 } 2909 2910 function waitForUpgrade() { 2911 // wait for upgrade to finish since we can't send packets while pausing a transport 2912 self.once("upgrade", cleanupAndClose); 2913 self.once("upgradeError", cleanupAndClose); 2914 } 2915 2916 return this; 2917 } 2918 /** 2919 * Called upon transport error 2920 * 2921 * @api private 2922 */ 2923 2924 }, { 2925 key: "onError", 2926 value: function onError(err) { 2927 debug("socket error %j", err); 2928 Socket.priorWebsocketSuccess = false; 2929 this.emit("error", err); 2930 this.onClose("transport error", err); 2931 } 2932 /** 2933 * Called upon transport close. 2934 * 2935 * @api private 2936 */ 2937 2938 }, { 2939 key: "onClose", 2940 value: function onClose(reason, desc) { 2941 if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) { 2942 debug('socket close with reason: "%s"', reason); 2943 var self = this; // clear timers 2944 2945 clearTimeout(this.pingIntervalTimer); 2946 clearTimeout(this.pingTimeoutTimer); // stop event from firing again for transport 2947 2948 this.transport.removeAllListeners("close"); // ensure transport won't stay open 2949 2950 this.transport.close(); // ignore further transport communication 2951 2952 this.transport.removeAllListeners(); // set ready state 2953 2954 this.readyState = "closed"; // clear session id 2955 2956 this.id = null; // emit close event 2957 2958 this.emit("close", reason, desc); // clean buffers after, so users can still 2959 // grab the buffers on `close` event 2960 2961 self.writeBuffer = []; 2962 self.prevBufferLen = 0; 2963 } 2964 } 2965 /** 2966 * Filters upgrades, returning only those matching client transports. 2967 * 2968 * @param {Array} server upgrades 2969 * @api private 2970 * 2971 */ 2972 2973 }, { 2974 key: "filterUpgrades", 2975 value: function filterUpgrades(upgrades) { 2976 var filteredUpgrades = []; 2977 var i = 0; 2978 var j = upgrades.length; 2979 2980 for (; i < j; i++) { 2981 if (~this.transports.indexOf(upgrades[i])) filteredUpgrades.push(upgrades[i]); 2982 } 2983 2984 return filteredUpgrades; 2985 } 2986 }]); 2987 2988 return Socket; 2989 }(Emitter); 2990 2991 Socket.priorWebsocketSuccess = false; 2992 /** 2993 * Protocol version. 2994 * 2995 * @api public 2996 */ 2997 2998 Socket.protocol = parser.protocol; // this is an int 2999 3000 function clone(obj) { 3001 var o = {}; 3002 3003 for (var i in obj) { 3004 if (obj.hasOwnProperty(i)) { 3005 o[i] = obj[i]; 3006 } 3007 } 3008 3009 return o; 3010 } 3011 3012 module.exports = Socket; 3013 3014 /***/ }), 3015 3016 /***/ "./node_modules/engine.io-client/lib/transport.js": 3017 /*!********************************************************!*\ 3018 !*** ./node_modules/engine.io-client/lib/transport.js ***! 3019 \********************************************************/ 3020 /*! no static exports found */ 3021 /***/ (function(module, exports, __webpack_require__) { 3022 3023 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } 3024 3025 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } 3026 3027 function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } 3028 3029 function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } 3030 3031 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } 3032 3033 function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } 3034 3035 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } 3036 3037 function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } 3038 3039 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } 3040 3041 function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } 3042 3043 function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } 3044 3045 var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js"); 3046 3047 var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js"); 3048 3049 var Transport = /*#__PURE__*/function (_Emitter) { 3050 _inherits(Transport, _Emitter); 3051 3052 var _super = _createSuper(Transport); 3053 3054 /** 3055 * Transport abstract constructor. 3056 * 3057 * @param {Object} options. 3058 * @api private 3059 */ 3060 function Transport(opts) { 3061 var _this; 3062 3063 _classCallCheck(this, Transport); 3064 3065 _this = _super.call(this); 3066 _this.opts = opts; 3067 _this.query = opts.query; 3068 _this.readyState = ""; 3069 _this.socket = opts.socket; 3070 return _this; 3071 } 3072 /** 3073 * Emits an error. 3074 * 3075 * @param {String} str 3076 * @return {Transport} for chaining 3077 * @api public 3078 */ 3079 3080 3081 _createClass(Transport, [{ 3082 key: "onError", 3083 value: function onError(msg, desc) { 3084 var err = new Error(msg); 3085 err.type = "TransportError"; 3086 err.description = desc; 3087 this.emit("error", err); 3088 return this; 3089 } 3090 /** 3091 * Opens the transport. 3092 * 3093 * @api public 3094 */ 3095 3096 }, { 3097 key: "open", 3098 value: function open() { 3099 if ("closed" === this.readyState || "" === this.readyState) { 3100 this.readyState = "opening"; 3101 this.doOpen(); 3102 } 3103 3104 return this; 3105 } 3106 /** 3107 * Closes the transport. 3108 * 3109 * @api private 3110 */ 3111 3112 }, { 3113 key: "close", 3114 value: function close() { 3115 if ("opening" === this.readyState || "open" === this.readyState) { 3116 this.doClose(); 3117 this.onClose(); 3118 } 3119 3120 return this; 3121 } 3122 /** 3123 * Sends multiple packets. 3124 * 3125 * @param {Array} packets 3126 * @api private 3127 */ 3128 3129 }, { 3130 key: "send", 3131 value: function send(packets) { 3132 if ("open" === this.readyState) { 3133 this.write(packets); 3134 } else { 3135 throw new Error("Transport not open"); 3136 } 3137 } 3138 /** 3139 * Called upon open 3140 * 3141 * @api private 3142 */ 3143 3144 }, { 3145 key: "onOpen", 3146 value: function onOpen() { 3147 this.readyState = "open"; 3148 this.writable = true; 3149 this.emit("open"); 3150 } 3151 /** 3152 * Called with data. 3153 * 3154 * @param {String} data 3155 * @api private 3156 */ 3157 3158 }, { 3159 key: "onData", 3160 value: function onData(data) { 3161 var packet = parser.decodePacket(data, this.socket.binaryType); 3162 this.onPacket(packet); 3163 } 3164 /** 3165 * Called with a decoded packet. 3166 */ 3167 3168 }, { 3169 key: "onPacket", 3170 value: function onPacket(packet) { 3171 this.emit("packet", packet); 3172 } 3173 /** 3174 * Called upon close. 3175 * 3176 * @api private 3177 */ 3178 3179 }, { 3180 key: "onClose", 3181 value: function onClose() { 3182 this.readyState = "closed"; 3183 this.emit("close"); 3184 } 3185 }]); 3186 3187 return Transport; 3188 }(Emitter); 3189 3190 module.exports = Transport; 3191 3192 /***/ }), 3193 3194 /***/ "./node_modules/engine.io-client/lib/transports/index.js": 3195 /*!***************************************************************!*\ 3196 !*** ./node_modules/engine.io-client/lib/transports/index.js ***! 3197 \***************************************************************/ 3198 /*! no static exports found */ 3199 /***/ (function(module, exports, __webpack_require__) { 3200 3201 var XMLHttpRequest = __webpack_require__(/*! xmlhttprequest-ssl */ "./node_modules/engine.io-client/lib/xmlhttprequest.js"); 3202 3203 var XHR = __webpack_require__(/*! ./polling-xhr */ "./node_modules/engine.io-client/lib/transports/polling-xhr.js"); 3204 3205 var JSONP = __webpack_require__(/*! ./polling-jsonp */ "./node_modules/engine.io-client/lib/transports/polling-jsonp.js"); 3206 3207 var websocket = __webpack_require__(/*! ./websocket */ "./node_modules/engine.io-client/lib/transports/websocket.js"); 3208 3209 exports.polling = polling; 3210 exports.websocket = websocket; 3211 /** 3212 * Polling transport polymorphic constructor. 3213 * Decides on xhr vs jsonp based on feature detection. 3214 * 3215 * @api private 3216 */ 3217 3218 function polling(opts) { 3219 var xhr; 3220 var xd = false; 3221 var xs = false; 3222 var jsonp = false !== opts.jsonp; 3223 3224 if (typeof location !== "undefined") { 3225 var isSSL = "https:" === location.protocol; 3226 var port = location.port; // some user agents have empty `location.port` 3227 3228 if (!port) { 3229 port = isSSL ? 443 : 80; 3230 } 3231 3232 xd = opts.hostname !== location.hostname || port !== opts.port; 3233 xs = opts.secure !== isSSL; 3234 } 3235 3236 opts.xdomain = xd; 3237 opts.xscheme = xs; 3238 xhr = new XMLHttpRequest(opts); 3239 3240 if ("open" in xhr && !opts.forceJSONP) { 3241 return new XHR(opts); 3242 } else { 3243 if (!jsonp) throw new Error("JSONP disabled"); 3244 return new JSONP(opts); 3245 } 3246 } 3247 3248 /***/ }), 3249 3250 /***/ "./node_modules/engine.io-client/lib/transports/polling-jsonp.js": 3251 /*!***********************************************************************!*\ 3252 !*** ./node_modules/engine.io-client/lib/transports/polling-jsonp.js ***! 3253 \***********************************************************************/ 3254 /*! no static exports found */ 3255 /***/ (function(module, exports, __webpack_require__) { 3256 3257 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } 3258 3259 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } 3260 3261 function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } 3262 3263 function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } 3264 3265 function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); } 3266 3267 function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; } 3268 3269 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } 3270 3271 function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } 3272 3273 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } 3274 3275 function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } 3276 3277 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } 3278 3279 function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } 3280 3281 function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } 3282 3283 var Polling = __webpack_require__(/*! ./polling */ "./node_modules/engine.io-client/lib/transports/polling.js"); 3284 3285 var globalThis = __webpack_require__(/*! ../globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js"); 3286 3287 var rNewline = /\n/g; 3288 var rEscapedNewline = /\\n/g; 3289 /** 3290 * Global JSONP callbacks. 3291 */ 3292 3293 var callbacks; 3294 3295 var JSONPPolling = /*#__PURE__*/function (_Polling) { 3296 _inherits(JSONPPolling, _Polling); 3297 3298 var _super = _createSuper(JSONPPolling); 3299 3300 /** 3301 * JSONP Polling constructor. 3302 * 3303 * @param {Object} opts. 3304 * @api public 3305 */ 3306 function JSONPPolling(opts) { 3307 var _this; 3308 3309 _classCallCheck(this, JSONPPolling); 3310 3311 _this = _super.call(this, opts); 3312 _this.query = _this.query || {}; // define global callbacks array if not present 3313 // we do this here (lazily) to avoid unneeded global pollution 3314 3315 if (!callbacks) { 3316 // we need to consider multiple engines in the same page 3317 callbacks = globalThis.___eio = globalThis.___eio || []; 3318 } // callback identifier 3319 3320 3321 _this.index = callbacks.length; // add callback to jsonp global 3322 3323 var self = _assertThisInitialized(_this); 3324 3325 callbacks.push(function (msg) { 3326 self.onData(msg); 3327 }); // append to query string 3328 3329 _this.query.j = _this.index; 3330 return _this; 3331 } 3332 /** 3333 * JSONP only supports binary as base64 encoded strings 3334 */ 3335 3336 3337 _createClass(JSONPPolling, [{ 3338 key: "doClose", 3339 3340 /** 3341 * Closes the socket. 3342 * 3343 * @api private 3344 */ 3345 value: function doClose() { 3346 if (this.script) { 3347 // prevent spurious errors from being emitted when the window is unloaded 3348 this.script.onerror = function () {}; 3349 3350 this.script.parentNode.removeChild(this.script); 3351 this.script = null; 3352 } 3353 3354 if (this.form) { 3355 this.form.parentNode.removeChild(this.form); 3356 this.form = null; 3357 this.iframe = null; 3358 } 3359 3360 _get(_getPrototypeOf(JSONPPolling.prototype), "doClose", this).call(this); 3361 } 3362 /** 3363 * Starts a poll cycle. 3364 * 3365 * @api private 3366 */ 3367 3368 }, { 3369 key: "doPoll", 3370 value: function doPoll() { 3371 var self = this; 3372 var script = document.createElement("script"); 3373 3374 if (this.script) { 3375 this.script.parentNode.removeChild(this.script); 3376 this.script = null; 3377 } 3378 3379 script.async = true; 3380 script.src = this.uri(); 3381 3382 script.onerror = function (e) { 3383 self.onError("jsonp poll error", e); 3384 }; 3385 3386 var insertAt = document.getElementsByTagName("script")[0]; 3387 3388 if (insertAt) { 3389 insertAt.parentNode.insertBefore(script, insertAt); 3390 } else { 3391 (document.head || document.body).appendChild(script); 3392 } 3393 3394 this.script = script; 3395 var isUAgecko = "undefined" !== typeof navigator && /gecko/i.test(navigator.userAgent); 3396 3397 if (isUAgecko) { 3398 setTimeout(function () { 3399 var iframe = document.createElement("iframe"); 3400 document.body.appendChild(iframe); 3401 document.body.removeChild(iframe); 3402 }, 100); 3403 } 3404 } 3405 /** 3406 * Writes with a hidden iframe. 3407 * 3408 * @param {String} data to send 3409 * @param {Function} called upon flush. 3410 * @api private 3411 */ 3412 3413 }, { 3414 key: "doWrite", 3415 value: function doWrite(data, fn) { 3416 var self = this; 3417 var iframe; 3418 3419 if (!this.form) { 3420 var form = document.createElement("form"); 3421 var area = document.createElement("textarea"); 3422 var id = this.iframeId = "eio_iframe_" + this.index; 3423 form.className = "socketio"; 3424 form.style.position = "absolute"; 3425 form.style.top = "-1000px"; 3426 form.style.left = "-1000px"; 3427 form.target = id; 3428 form.method = "POST"; 3429 form.setAttribute("accept-charset", "utf-8"); 3430 area.name = "d"; 3431 form.appendChild(area); 3432 document.body.appendChild(form); 3433 this.form = form; 3434 this.area = area; 3435 } 3436 3437 this.form.action = this.uri(); 3438 3439 function complete() { 3440 initIframe(); 3441 fn(); 3442 } 3443 3444 function initIframe() { 3445 if (self.iframe) { 3446 try { 3447 self.form.removeChild(self.iframe); 3448 } catch (e) { 3449 self.onError("jsonp polling iframe removal error", e); 3450 } 3451 } 3452 3453 try { 3454 // ie6 dynamic iframes with target="" support (thanks Chris Lambacher) 3455 var html = '<iframe src="javascript:0" name="' + self.iframeId + '">'; 3456 iframe = document.createElement(html); 3457 } catch (e) { 3458 iframe = document.createElement("iframe"); 3459 iframe.name = self.iframeId; 3460 iframe.src = "javascript:0"; 3461 } 3462 3463 iframe.id = self.iframeId; 3464 self.form.appendChild(iframe); 3465 self.iframe = iframe; 3466 } 3467 3468 initIframe(); // escape \n to prevent it from being converted into \r\n by some UAs 3469 // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side 3470 3471 data = data.replace(rEscapedNewline, "\\\n"); 3472 this.area.value = data.replace(rNewline, "\\n"); 3473 3474 try { 3475 this.form.submit(); 3476 } catch (e) {} 3477 3478 if (this.iframe.attachEvent) { 3479 this.iframe.onreadystatechange = function () { 3480 if (self.iframe.readyState === "complete") { 3481 complete(); 3482 } 3483 }; 3484 } else { 3485 this.iframe.onload = complete; 3486 } 3487 } 3488 }, { 3489 key: "supportsBinary", 3490 get: function get() { 3491 return false; 3492 } 3493 }]); 3494 3495 return JSONPPolling; 3496 }(Polling); 3497 3498 module.exports = JSONPPolling; 3499 3500 /***/ }), 3501 3502 /***/ "./node_modules/engine.io-client/lib/transports/polling-xhr.js": 3503 /*!*********************************************************************!*\ 3504 !*** ./node_modules/engine.io-client/lib/transports/polling-xhr.js ***! 3505 \*********************************************************************/ 3506 /*! no static exports found */ 3507 /***/ (function(module, exports, __webpack_require__) { 3508 3509 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } 3510 3511 function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); } 3512 3513 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } 3514 3515 function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } 3516 3517 function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } 3518 3519 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } 3520 3521 function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } 3522 3523 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } 3524 3525 function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } 3526 3527 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } 3528 3529 function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } 3530 3531 function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } 3532 3533 /* global attachEvent */ 3534 var XMLHttpRequest = __webpack_require__(/*! xmlhttprequest-ssl */ "./node_modules/engine.io-client/lib/xmlhttprequest.js"); 3535 3536 var Polling = __webpack_require__(/*! ./polling */ "./node_modules/engine.io-client/lib/transports/polling.js"); 3537 3538 var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js"); 3539 3540 var _require = __webpack_require__(/*! ../util */ "./node_modules/engine.io-client/lib/util.js"), 3541 pick = _require.pick; 3542 3543 var globalThis = __webpack_require__(/*! ../globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js"); 3544 3545 var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:polling-xhr"); 3546 /** 3547 * Empty function 3548 */ 3549 3550 3551 function empty() {} 3552 3553 var hasXHR2 = function () { 3554 var xhr = new XMLHttpRequest({ 3555 xdomain: false 3556 }); 3557 return null != xhr.responseType; 3558 }(); 3559 3560 var XHR = /*#__PURE__*/function (_Polling) { 3561 _inherits(XHR, _Polling); 3562 3563 var _super = _createSuper(XHR); 3564 3565 /** 3566 * XHR Polling constructor. 3567 * 3568 * @param {Object} opts 3569 * @api public 3570 */ 3571 function XHR(opts) { 3572 var _this; 3573 3574 _classCallCheck(this, XHR); 3575 3576 _this = _super.call(this, opts); 3577 3578 if (typeof location !== "undefined") { 3579 var isSSL = "https:" === location.protocol; 3580 var port = location.port; // some user agents have empty `location.port` 3581 3582 if (!port) { 3583 port = isSSL ? 443 : 80; 3584 } 3585 3586 _this.xd = typeof location !== "undefined" && opts.hostname !== location.hostname || port !== opts.port; 3587 _this.xs = opts.secure !== isSSL; 3588 } 3589 /** 3590 * XHR supports binary 3591 */ 3592 3593 3594 var forceBase64 = opts && opts.forceBase64; 3595 _this.supportsBinary = hasXHR2 && !forceBase64; 3596 return _this; 3597 } 3598 /** 3599 * Creates a request. 3600 * 3601 * @param {String} method 3602 * @api private 3603 */ 3604 3605 3606 _createClass(XHR, [{ 3607 key: "request", 3608 value: function request() { 3609 var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; 3610 3611 _extends(opts, { 3612 xd: this.xd, 3613 xs: this.xs 3614 }, this.opts); 3615 3616 return new Request(this.uri(), opts); 3617 } 3618 /** 3619 * Sends data. 3620 * 3621 * @param {String} data to send. 3622 * @param {Function} called upon flush. 3623 * @api private 3624 */ 3625 3626 }, { 3627 key: "doWrite", 3628 value: function doWrite(data, fn) { 3629 var req = this.request({ 3630 method: "POST", 3631 data: data 3632 }); 3633 var self = this; 3634 req.on("success", fn); 3635 req.on("error", function (err) { 3636 self.onError("xhr post error", err); 3637 }); 3638 } 3639 /** 3640 * Starts a poll cycle. 3641 * 3642 * @api private 3643 */ 3644 3645 }, { 3646 key: "doPoll", 3647 value: function doPoll() { 3648 debug("xhr poll"); 3649 var req = this.request(); 3650 var self = this; 3651 req.on("data", function (data) { 3652 self.onData(data); 3653 }); 3654 req.on("error", function (err) { 3655 self.onError("xhr poll error", err); 3656 }); 3657 this.pollXhr = req; 3658 } 3659 }]); 3660 3661 return XHR; 3662 }(Polling); 3663 3664 var Request = /*#__PURE__*/function (_Emitter) { 3665 _inherits(Request, _Emitter); 3666 3667 var _super2 = _createSuper(Request); 3668 3669 /** 3670 * Request constructor 3671 * 3672 * @param {Object} options 3673 * @api public 3674 */ 3675 function Request(uri, opts) { 3676 var _this2; 3677 3678 _classCallCheck(this, Request); 3679 3680 _this2 = _super2.call(this); 3681 _this2.opts = opts; 3682 _this2.method = opts.method || "GET"; 3683 _this2.uri = uri; 3684 _this2.async = false !== opts.async; 3685 _this2.data = undefined !== opts.data ? opts.data : null; 3686 3687 _this2.create(); 3688 3689 return _this2; 3690 } 3691 /** 3692 * Creates the XHR object and sends the request. 3693 * 3694 * @api private 3695 */ 3696 3697 3698 _createClass(Request, [{ 3699 key: "create", 3700 value: function create() { 3701 var opts = pick(this.opts, "agent", "enablesXDR", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized"); 3702 opts.xdomain = !!this.opts.xd; 3703 opts.xscheme = !!this.opts.xs; 3704 var xhr = this.xhr = new XMLHttpRequest(opts); 3705 var self = this; 3706 3707 try { 3708 debug("xhr open %s: %s", this.method, this.uri); 3709 xhr.open(this.method, this.uri, this.async); 3710 3711 try { 3712 if (this.opts.extraHeaders) { 3713 xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); 3714 3715 for (var i in this.opts.extraHeaders) { 3716 if (this.opts.extraHeaders.hasOwnProperty(i)) { 3717 xhr.setRequestHeader(i, this.opts.extraHeaders[i]); 3718 } 3719 } 3720 } 3721 } catch (e) {} 3722 3723 if ("POST" === this.method) { 3724 try { 3725 xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8"); 3726 } catch (e) {} 3727 } 3728 3729 try { 3730 xhr.setRequestHeader("Accept", "*/*"); 3731 } catch (e) {} // ie6 check 3732 3733 3734 if ("withCredentials" in xhr) { 3735 xhr.withCredentials = this.opts.withCredentials; 3736 } 3737 3738 if (this.opts.requestTimeout) { 3739 xhr.timeout = this.opts.requestTimeout; 3740 } 3741 3742 if (this.hasXDR()) { 3743 xhr.onload = function () { 3744 self.onLoad(); 3745 }; 3746 3747 xhr.onerror = function () { 3748 self.onError(xhr.responseText); 3749 }; 3750 } else { 3751 xhr.onreadystatechange = function () { 3752 if (4 !== xhr.readyState) return; 3753 3754 if (200 === xhr.status || 1223 === xhr.status) { 3755 self.onLoad(); 3756 } else { 3757 // make sure the `error` event handler that's user-set 3758 // does not throw in the same tick and gets caught here 3759 setTimeout(function () { 3760 self.onError(typeof xhr.status === "number" ? xhr.status : 0); 3761 }, 0); 3762 } 3763 }; 3764 } 3765 3766 debug("xhr data %s", this.data); 3767 xhr.send(this.data); 3768 } catch (e) { 3769 // Need to defer since .create() is called directly from the constructor 3770 // and thus the 'error' event can only be only bound *after* this exception 3771 // occurs. Therefore, also, we cannot throw here at all. 3772 setTimeout(function () { 3773 self.onError(e); 3774 }, 0); 3775 return; 3776 } 3777 3778 if (typeof document !== "undefined") { 3779 this.index = Request.requestsCount++; 3780 Request.requests[this.index] = this; 3781 } 3782 } 3783 /** 3784 * Called upon successful response. 3785 * 3786 * @api private 3787 */ 3788 3789 }, { 3790 key: "onSuccess", 3791 value: function onSuccess() { 3792 this.emit("success"); 3793 this.cleanup(); 3794 } 3795 /** 3796 * Called if we have data. 3797 * 3798 * @api private 3799 */ 3800 3801 }, { 3802 key: "onData", 3803 value: function onData(data) { 3804 this.emit("data", data); 3805 this.onSuccess(); 3806 } 3807 /** 3808 * Called upon error. 3809 * 3810 * @api private 3811 */ 3812 3813 }, { 3814 key: "onError", 3815 value: function onError(err) { 3816 this.emit("error", err); 3817 this.cleanup(true); 3818 } 3819 /** 3820 * Cleans up house. 3821 * 3822 * @api private 3823 */ 3824 3825 }, { 3826 key: "cleanup", 3827 value: function cleanup(fromError) { 3828 if ("undefined" === typeof this.xhr || null === this.xhr) { 3829 return; 3830 } // xmlhttprequest 3831 3832 3833 if (this.hasXDR()) { 3834 this.xhr.onload = this.xhr.onerror = empty; 3835 } else { 3836 this.xhr.onreadystatechange = empty; 3837 } 3838 3839 if (fromError) { 3840 try { 3841 this.xhr.abort(); 3842 } catch (e) {} 3843 } 3844 3845 if (typeof document !== "undefined") { 3846 delete Request.requests[this.index]; 3847 } 3848 3849 this.xhr = null; 3850 } 3851 /** 3852 * Called upon load. 3853 * 3854 * @api private 3855 */ 3856 3857 }, { 3858 key: "onLoad", 3859 value: function onLoad() { 3860 var data = this.xhr.responseText; 3861 3862 if (data !== null) { 3863 this.onData(data); 3864 } 3865 } 3866 /** 3867 * Check if it has XDomainRequest. 3868 * 3869 * @api private 3870 */ 3871 3872 }, { 3873 key: "hasXDR", 3874 value: function hasXDR() { 3875 return typeof XDomainRequest !== "undefined" && !this.xs && this.enablesXDR; 3876 } 3877 /** 3878 * Aborts the request. 3879 * 3880 * @api public 3881 */ 3882 3883 }, { 3884 key: "abort", 3885 value: function abort() { 3886 this.cleanup(); 3887 } 3888 }]); 3889 3890 return Request; 3891 }(Emitter); 3892 /** 3893 * Aborts pending requests when unloading the window. This is needed to prevent 3894 * memory leaks (e.g. when using IE) and to ensure that no spurious error is 3895 * emitted. 3896 */ 3897 3898 3899 Request.requestsCount = 0; 3900 Request.requests = {}; 3901 3902 if (typeof document !== "undefined") { 3903 if (typeof attachEvent === "function") { 3904 attachEvent("onunload", unloadHandler); 3905 } else if (typeof addEventListener === "function") { 3906 var terminationEvent = "onpagehide" in globalThis ? "pagehide" : "unload"; 3907 addEventListener(terminationEvent, unloadHandler, false); 3908 } 3909 } 3910 3911 function unloadHandler() { 3912 for (var i in Request.requests) { 3913 if (Request.requests.hasOwnProperty(i)) { 3914 Request.requests[i].abort(); 3915 } 3916 } 3917 } 3918 3919 module.exports = XHR; 3920 module.exports.Request = Request; 3921 3922 /***/ }), 3923 3924 /***/ "./node_modules/engine.io-client/lib/transports/polling.js": 3925 /*!*****************************************************************!*\ 3926 !*** ./node_modules/engine.io-client/lib/transports/polling.js ***! 3927 \*****************************************************************/ 3928 /*! no static exports found */ 3929 /***/ (function(module, exports, __webpack_require__) { 3930 3931 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } 3932 3933 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } 3934 3935 function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } 3936 3937 function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } 3938 3939 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } 3940 3941 function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } 3942 3943 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } 3944 3945 function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } 3946 3947 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } 3948 3949 function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } 3950 3951 function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } 3952 3953 var Transport = __webpack_require__(/*! ../transport */ "./node_modules/engine.io-client/lib/transport.js"); 3954 3955 var parseqs = __webpack_require__(/*! parseqs */ "./node_modules/parseqs/index.js"); 3956 3957 var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js"); 3958 3959 var yeast = __webpack_require__(/*! yeast */ "./node_modules/yeast/index.js"); 3960 3961 var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:polling"); 3962 3963 var Polling = /*#__PURE__*/function (_Transport) { 3964 _inherits(Polling, _Transport); 3965 3966 var _super = _createSuper(Polling); 3967 3968 function Polling() { 3969 _classCallCheck(this, Polling); 3970 3971 return _super.apply(this, arguments); 3972 } 3973 3974 _createClass(Polling, [{ 3975 key: "doOpen", 3976 3977 /** 3978 * Opens the socket (triggers polling). We write a PING message to determine 3979 * when the transport is open. 3980 * 3981 * @api private 3982 */ 3983 value: function doOpen() { 3984 this.poll(); 3985 } 3986 /** 3987 * Pauses polling. 3988 * 3989 * @param {Function} callback upon buffers are flushed and transport is paused 3990 * @api private 3991 */ 3992 3993 }, { 3994 key: "pause", 3995 value: function pause(onPause) { 3996 var self = this; 3997 this.readyState = "pausing"; 3998 3999 function pause() { 4000 debug("paused"); 4001 self.readyState = "paused"; 4002 onPause(); 4003 } 4004 4005 if (this.polling || !this.writable) { 4006 var total = 0; 4007 4008 if (this.polling) { 4009 debug("we are currently polling - waiting to pause"); 4010 total++; 4011 this.once("pollComplete", function () { 4012 debug("pre-pause polling complete"); 4013 --total || pause(); 4014 }); 4015 } 4016 4017 if (!this.writable) { 4018 debug("we are currently writing - waiting to pause"); 4019 total++; 4020 this.once("drain", function () { 4021 debug("pre-pause writing complete"); 4022 --total || pause(); 4023 }); 4024 } 4025 } else { 4026 pause(); 4027 } 4028 } 4029 /** 4030 * Starts polling cycle. 4031 * 4032 * @api public 4033 */ 4034 4035 }, { 4036 key: "poll", 4037 value: function poll() { 4038 debug("polling"); 4039 this.polling = true; 4040 this.doPoll(); 4041 this.emit("poll"); 4042 } 4043 /** 4044 * Overloads onData to detect payloads. 4045 * 4046 * @api private 4047 */ 4048 4049 }, { 4050 key: "onData", 4051 value: function onData(data) { 4052 var self = this; 4053 debug("polling got data %s", data); 4054 4055 var callback = function callback(packet, index, total) { 4056 // if its the first message we consider the transport open 4057 if ("opening" === self.readyState && packet.type === "open") { 4058 self.onOpen(); 4059 } // if its a close packet, we close the ongoing requests 4060 4061 4062 if ("close" === packet.type) { 4063 self.onClose(); 4064 return false; 4065 } // otherwise bypass onData and handle the message 4066 4067 4068 self.onPacket(packet); 4069 }; // decode payload 4070 4071 4072 parser.decodePayload(data, this.socket.binaryType).forEach(callback); // if an event did not trigger closing 4073 4074 if ("closed" !== this.readyState) { 4075 // if we got data we're not polling 4076 this.polling = false; 4077 this.emit("pollComplete"); 4078 4079 if ("open" === this.readyState) { 4080 this.poll(); 4081 } else { 4082 debug('ignoring poll - transport state "%s"', this.readyState); 4083 } 4084 } 4085 } 4086 /** 4087 * For polling, send a close packet. 4088 * 4089 * @api private 4090 */ 4091 4092 }, { 4093 key: "doClose", 4094 value: function doClose() { 4095 var self = this; 4096 4097 function close() { 4098 debug("writing close packet"); 4099 self.write([{ 4100 type: "close" 4101 }]); 4102 } 4103 4104 if ("open" === this.readyState) { 4105 debug("transport open - closing"); 4106 close(); 4107 } else { 4108 // in case we're trying to close while 4109 // handshaking is in progress (GH-164) 4110 debug("transport not open - deferring close"); 4111 this.once("open", close); 4112 } 4113 } 4114 /** 4115 * Writes a packets payload. 4116 * 4117 * @param {Array} data packets 4118 * @param {Function} drain callback 4119 * @api private 4120 */ 4121 4122 }, { 4123 key: "write", 4124 value: function write(packets) { 4125 var _this = this; 4126 4127 this.writable = false; 4128 parser.encodePayload(packets, function (data) { 4129 _this.doWrite(data, function () { 4130 _this.writable = true; 4131 4132 _this.emit("drain"); 4133 }); 4134 }); 4135 } 4136 /** 4137 * Generates uri for connection. 4138 * 4139 * @api private 4140 */ 4141 4142 }, { 4143 key: "uri", 4144 value: function uri() { 4145 var query = this.query || {}; 4146 var schema = this.opts.secure ? "https" : "http"; 4147 var port = ""; // cache busting is forced 4148 4149 if (false !== this.opts.timestampRequests) { 4150 query[this.opts.timestampParam] = yeast(); 4151 } 4152 4153 if (!this.supportsBinary && !query.sid) { 4154 query.b64 = 1; 4155 } 4156 4157 query = parseqs.encode(query); // avoid port if default for schema 4158 4159 if (this.opts.port && ("https" === schema && Number(this.opts.port) !== 443 || "http" === schema && Number(this.opts.port) !== 80)) { 4160 port = ":" + this.opts.port; 4161 } // prepend ? to query 4162 4163 4164 if (query.length) { 4165 query = "?" + query; 4166 } 4167 4168 var ipv6 = this.opts.hostname.indexOf(":") !== -1; 4169 return schema + "://" + (ipv6 ? "[" + this.opts.hostname + "]" : this.opts.hostname) + port + this.opts.path + query; 4170 } 4171 }, { 4172 key: "name", 4173 4174 /** 4175 * Transport name. 4176 */ 4177 get: function get() { 4178 return "polling"; 4179 } 4180 }]); 4181 4182 return Polling; 4183 }(Transport); 4184 4185 module.exports = Polling; 4186 4187 /***/ }), 4188 4189 /***/ "./node_modules/engine.io-client/lib/transports/websocket-constructor.browser.js": 4190 /*!***************************************************************************************!*\ 4191 !*** ./node_modules/engine.io-client/lib/transports/websocket-constructor.browser.js ***! 4192 \***************************************************************************************/ 4193 /*! no static exports found */ 4194 /***/ (function(module, exports, __webpack_require__) { 4195 4196 var globalThis = __webpack_require__(/*! ../globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js"); 4197 4198 module.exports = { 4199 WebSocket: globalThis.WebSocket || globalThis.MozWebSocket, 4200 usingBrowserWebSocket: true, 4201 defaultBinaryType: "arraybuffer" 4202 }; 4203 4204 /***/ }), 4205 4206 /***/ "./node_modules/engine.io-client/lib/transports/websocket.js": 4207 /*!*******************************************************************!*\ 4208 !*** ./node_modules/engine.io-client/lib/transports/websocket.js ***! 4209 \*******************************************************************/ 4210 /*! no static exports found */ 4211 /***/ (function(module, exports, __webpack_require__) { 4212 4213 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } 4214 4215 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } 4216 4217 function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } 4218 4219 function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } 4220 4221 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } 4222 4223 function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } 4224 4225 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } 4226 4227 function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } 4228 4229 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } 4230 4231 function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } 4232 4233 function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } 4234 4235 var Transport = __webpack_require__(/*! ../transport */ "./node_modules/engine.io-client/lib/transport.js"); 4236 4237 var parser = __webpack_require__(/*! engine.io-parser */ "./node_modules/engine.io-parser/lib/index.js"); 4238 4239 var parseqs = __webpack_require__(/*! parseqs */ "./node_modules/parseqs/index.js"); 4240 4241 var yeast = __webpack_require__(/*! yeast */ "./node_modules/yeast/index.js"); 4242 4243 var _require = __webpack_require__(/*! ../util */ "./node_modules/engine.io-client/lib/util.js"), 4244 pick = _require.pick; 4245 4246 var _require2 = __webpack_require__(/*! ./websocket-constructor */ "./node_modules/engine.io-client/lib/transports/websocket-constructor.browser.js"), 4247 WebSocket = _require2.WebSocket, 4248 usingBrowserWebSocket = _require2.usingBrowserWebSocket, 4249 defaultBinaryType = _require2.defaultBinaryType; 4250 4251 var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("engine.io-client:websocket"); // detect ReactNative environment 4252 4253 4254 var isReactNative = typeof navigator !== "undefined" && typeof navigator.product === "string" && navigator.product.toLowerCase() === "reactnative"; 4255 4256 var WS = /*#__PURE__*/function (_Transport) { 4257 _inherits(WS, _Transport); 4258 4259 var _super = _createSuper(WS); 4260 4261 /** 4262 * WebSocket transport constructor. 4263 * 4264 * @api {Object} connection options 4265 * @api public 4266 */ 4267 function WS(opts) { 4268 var _this; 4269 4270 _classCallCheck(this, WS); 4271 4272 _this = _super.call(this, opts); 4273 _this.supportsBinary = !opts.forceBase64; 4274 return _this; 4275 } 4276 /** 4277 * Transport name. 453 * Initialize a new `Emitter`. 4278 454 * 4279 455 * @api public 4280 456 */ 4281 457 4282 4283 _createClass(WS, [{ 4284 key: "doOpen", 4285 4286 /** 4287 * Opens socket. 4288 * 4289 * @api private 4290 */ 4291 value: function doOpen() { 4292 if (!this.check()) { 4293 // let probe timeout 4294 return; 4295 } 4296 4297 var uri = this.uri(); 4298 var protocols = this.opts.protocols; // React Native only supports the 'headers' option, and will print a warning if anything else is passed 4299 4300 var opts = isReactNative ? {} : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity"); 4301 4302 if (this.opts.extraHeaders) { 4303 opts.headers = this.opts.extraHeaders; 4304 } 4305 4306 try { 4307 this.ws = usingBrowserWebSocket && !isReactNative ? protocols ? new WebSocket(uri, protocols) : new WebSocket(uri) : new WebSocket(uri, protocols, opts); 4308 } catch (err) { 4309 return this.emit("error", err); 4310 } 4311 4312 this.ws.binaryType = this.socket.binaryType || defaultBinaryType; 4313 this.addEventListeners(); 4314 } 4315 /** 4316 * Adds event listeners to the socket 4317 * 4318 * @api private 4319 */ 4320 4321 }, { 4322 key: "addEventListeners", 4323 value: function addEventListeners() { 4324 var self = this; 4325 4326 this.ws.onopen = function () { 4327 self.onOpen(); 4328 }; 4329 4330 this.ws.onclose = function () { 4331 self.onClose(); 4332 }; 4333 4334 this.ws.onmessage = function (ev) { 4335 self.onData(ev.data); 4336 }; 4337 4338 this.ws.onerror = function (e) { 4339 self.onError("websocket error", e); 4340 }; 4341 } 4342 /** 4343 * Writes data to socket. 4344 * 4345 * @param {Array} array of packets. 4346 * @api private 4347 */ 4348 4349 }, { 4350 key: "write", 4351 value: function write(packets) { 4352 var self = this; 4353 this.writable = false; // encodePacket efficient as it uses WS framing 4354 // no need for encodePayload 4355 4356 var total = packets.length; 4357 var i = 0; 4358 var l = total; 4359 4360 for (; i < l; i++) { 4361 (function (packet) { 4362 parser.encodePacket(packet, self.supportsBinary, function (data) { 4363 // always create a new object (GH-437) 4364 var opts = {}; 4365 4366 if (!usingBrowserWebSocket) { 4367 if (packet.options) { 4368 opts.compress = packet.options.compress; 4369 } 4370 4371 if (self.opts.perMessageDeflate) { 4372 var len = "string" === typeof data ? Buffer.byteLength(data) : data.length; 4373 4374 if (len < self.opts.perMessageDeflate.threshold) { 4375 opts.compress = false; 4376 } 4377 } 4378 } // Sometimes the websocket has already been closed but the browser didn't 4379 // have a chance of informing us about it yet, in that case send will 4380 // throw an error 4381 4382 4383 try { 4384 if (usingBrowserWebSocket) { 4385 // TypeError is thrown when passing the second argument on Safari 4386 self.ws.send(data); 4387 } else { 4388 self.ws.send(data, opts); 4389 } 4390 } catch (e) { 4391 debug("websocket closed before onclose event"); 4392 } 4393 4394 --total || done(); 4395 }); 4396 })(packets[i]); 4397 } 4398 4399 function done() { 4400 self.emit("flush"); // fake drain 4401 // defer to next tick to allow Socket to clear writeBuffer 4402 4403 setTimeout(function () { 4404 self.writable = true; 4405 self.emit("drain"); 4406 }, 0); 4407 } 4408 } 4409 /** 4410 * Called upon close 4411 * 4412 * @api private 4413 */ 4414 4415 }, { 4416 key: "onClose", 4417 value: function onClose() { 4418 Transport.prototype.onClose.call(this); 4419 } 4420 /** 4421 * Closes socket. 4422 * 4423 * @api private 4424 */ 4425 4426 }, { 4427 key: "doClose", 4428 value: function doClose() { 4429 if (typeof this.ws !== "undefined") { 4430 this.ws.close(); 4431 this.ws = null; 4432 } 4433 } 4434 /** 4435 * Generates uri for connection. 4436 * 4437 * @api private 4438 */ 4439 4440 }, { 4441 key: "uri", 4442 value: function uri() { 4443 var query = this.query || {}; 4444 var schema = this.opts.secure ? "wss" : "ws"; 4445 var port = ""; // avoid port if default for schema 4446 4447 if (this.opts.port && ("wss" === schema && Number(this.opts.port) !== 443 || "ws" === schema && Number(this.opts.port) !== 80)) { 4448 port = ":" + this.opts.port; 4449 } // append timestamp to URI 4450 4451 4452 if (this.opts.timestampRequests) { 4453 query[this.opts.timestampParam] = yeast(); 4454 } // communicate binary support capabilities 4455 4456 4457 if (!this.supportsBinary) { 4458 query.b64 = 1; 4459 } 4460 4461 query = parseqs.encode(query); // prepend ? to query 4462 4463 if (query.length) { 4464 query = "?" + query; 4465 } 4466 4467 var ipv6 = this.opts.hostname.indexOf(":") !== -1; 4468 return schema + "://" + (ipv6 ? "[" + this.opts.hostname + "]" : this.opts.hostname) + port + this.opts.path + query; 4469 } 4470 /** 4471 * Feature detection for WebSocket. 4472 * 4473 * @return {Boolean} whether this transport is available. 4474 * @api public 4475 */ 4476 4477 }, { 4478 key: "check", 4479 value: function check() { 4480 return !!WebSocket && !("__initialize" in WebSocket && this.name === WS.prototype.name); 4481 } 4482 }, { 4483 key: "name", 4484 get: function get() { 4485 return "websocket"; 4486 } 4487 }]); 4488 4489 return WS; 4490 }(Transport); 4491 4492 module.exports = WS; 4493 4494 /***/ }), 4495 4496 /***/ "./node_modules/engine.io-client/lib/util.js": 4497 /*!***************************************************!*\ 4498 !*** ./node_modules/engine.io-client/lib/util.js ***! 4499 \***************************************************/ 4500 /*! no static exports found */ 4501 /***/ (function(module, exports) { 4502 4503 module.exports.pick = function (obj) { 4504 for (var _len = arguments.length, attr = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { 4505 attr[_key - 1] = arguments[_key]; 458 function Emitter(obj) { 459 if (obj) return mixin(obj); 4506 460 } 4507 4508 return attr.reduce(function (acc, k) { 4509 if (obj.hasOwnProperty(k)) { 4510 acc[k] = obj[k]; 4511 } 4512 4513 return acc; 4514 }, {}); 4515 }; 4516 4517 /***/ }), 4518 4519 /***/ "./node_modules/engine.io-client/lib/xmlhttprequest.js": 4520 /*!*************************************************************!*\ 4521 !*** ./node_modules/engine.io-client/lib/xmlhttprequest.js ***! 4522 \*************************************************************/ 4523 /*! no static exports found */ 4524 /***/ (function(module, exports, __webpack_require__) { 4525 4526 // browser shim for xmlhttprequest module 4527 var hasCORS = __webpack_require__(/*! has-cors */ "./node_modules/has-cors/index.js"); 4528 4529 var globalThis = __webpack_require__(/*! ./globalThis */ "./node_modules/engine.io-client/lib/globalThis.browser.js"); 4530 4531 module.exports = function (opts) { 4532 var xdomain = opts.xdomain; // scheme must be same when usign XDomainRequest 4533 // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx 4534 4535 var xscheme = opts.xscheme; // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default. 4536 // https://github.com/Automattic/engine.io-client/pull/217 4537 4538 var enablesXDR = opts.enablesXDR; // XMLHttpRequest can be disabled on IE 4539 4540 try { 4541 if ("undefined" !== typeof XMLHttpRequest && (!xdomain || hasCORS)) { 4542 return new XMLHttpRequest(); 4543 } 4544 } catch (e) {} // Use XDomainRequest for IE8 if enablesXDR is true 4545 // because loading bar keeps flashing when using jsonp-polling 4546 // https://github.com/yujiosaka/socke.io-ie8-loading-example 4547 4548 4549 try { 4550 if ("undefined" !== typeof XDomainRequest && !xscheme && enablesXDR) { 4551 return new XDomainRequest(); 4552 } 4553 } catch (e) {} 4554 4555 if (!xdomain) { 4556 try { 4557 return new globalThis[["Active"].concat("Object").join("X")]("Microsoft.XMLHTTP"); 4558 } catch (e) {} 461 /** 462 * Mixin the emitter properties. 463 * 464 * @param {Object} obj 465 * @return {Object} 466 * @api private 467 */ 468 469 470 function mixin(obj) { 471 for (var key in Emitter.prototype) { 472 obj[key] = Emitter.prototype[key]; 473 } 474 475 return obj; 4559 476 } 4560 }; 4561 4562 /***/ }), 4563 4564 /***/ "./node_modules/engine.io-parser/lib/commons.js": 4565 /*!******************************************************!*\ 4566 !*** ./node_modules/engine.io-parser/lib/commons.js ***! 4567 \******************************************************/ 4568 /*! no static exports found */ 4569 /***/ (function(module, exports) { 4570 4571 var PACKET_TYPES = Object.create(null); // no Map = no polyfill 4572 4573 PACKET_TYPES["open"] = "0"; 4574 PACKET_TYPES["close"] = "1"; 4575 PACKET_TYPES["ping"] = "2"; 4576 PACKET_TYPES["pong"] = "3"; 4577 PACKET_TYPES["message"] = "4"; 4578 PACKET_TYPES["upgrade"] = "5"; 4579 PACKET_TYPES["noop"] = "6"; 4580 var PACKET_TYPES_REVERSE = Object.create(null); 4581 Object.keys(PACKET_TYPES).forEach(function (key) { 4582 PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key; 4583 }); 4584 var ERROR_PACKET = { 4585 type: "error", 4586 data: "parser error" 4587 }; 4588 module.exports = { 4589 PACKET_TYPES: PACKET_TYPES, 4590 PACKET_TYPES_REVERSE: PACKET_TYPES_REVERSE, 4591 ERROR_PACKET: ERROR_PACKET 4592 }; 4593 4594 /***/ }), 4595 4596 /***/ "./node_modules/engine.io-parser/lib/decodePacket.browser.js": 4597 /*!*******************************************************************!*\ 4598 !*** ./node_modules/engine.io-parser/lib/decodePacket.browser.js ***! 4599 \*******************************************************************/ 4600 /*! no static exports found */ 4601 /***/ (function(module, exports, __webpack_require__) { 4602 4603 var _require = __webpack_require__(/*! ./commons */ "./node_modules/engine.io-parser/lib/commons.js"), 4604 PACKET_TYPES_REVERSE = _require.PACKET_TYPES_REVERSE, 4605 ERROR_PACKET = _require.ERROR_PACKET; 4606 4607 var withNativeArrayBuffer = typeof ArrayBuffer === "function"; 4608 var base64decoder; 4609 4610 if (withNativeArrayBuffer) { 4611 base64decoder = __webpack_require__(/*! base64-arraybuffer */ "./node_modules/engine.io-parser/node_modules/base64-arraybuffer/lib/base64-arraybuffer.js"); 4612 } 4613 4614 var decodePacket = function decodePacket(encodedPacket, binaryType) { 4615 if (typeof encodedPacket !== "string") { 4616 return { 4617 type: "message", 4618 data: mapBinary(encodedPacket, binaryType) 477 /** 478 * Listen on the given `event` with `fn`. 479 * 480 * @param {String} event 481 * @param {Function} fn 482 * @return {Emitter} 483 * @api public 484 */ 485 486 487 Emitter.prototype.on = Emitter.prototype.addEventListener = function (event, fn) { 488 this._callbacks = this._callbacks || {}; 489 (this._callbacks['$' + event] = this._callbacks['$' + event] || []).push(fn); 490 return this; 491 }; 492 /** 493 * Adds an `event` listener that will be invoked a single 494 * time then automatically removed. 495 * 496 * @param {String} event 497 * @param {Function} fn 498 * @return {Emitter} 499 * @api public 500 */ 501 502 503 Emitter.prototype.once = function (event, fn) { 504 function on() { 505 this.off(event, on); 506 fn.apply(this, arguments); 507 } 508 509 on.fn = fn; 510 this.on(event, on); 511 return this; 512 }; 513 /** 514 * Remove the given callback for `event` or all 515 * registered callbacks. 516 * 517 * @param {String} event 518 * @param {Function} fn 519 * @return {Emitter} 520 * @api public 521 */ 522 523 524 Emitter.prototype.off = Emitter.prototype.removeListener = Emitter.prototype.removeAllListeners = Emitter.prototype.removeEventListener = function (event, fn) { 525 this._callbacks = this._callbacks || {}; // all 526 527 if (0 == arguments.length) { 528 this._callbacks = {}; 529 return this; 530 } // specific event 531 532 533 var callbacks = this._callbacks['$' + event]; 534 if (!callbacks) return this; // remove all handlers 535 536 if (1 == arguments.length) { 537 delete this._callbacks['$' + event]; 538 return this; 539 } // remove specific handler 540 541 542 var cb; 543 544 for (var i = 0; i < callbacks.length; i++) { 545 cb = callbacks[i]; 546 547 if (cb === fn || cb.fn === fn) { 548 callbacks.splice(i, 1); 549 break; 550 } 551 } // Remove event specific arrays for event types that no 552 // one is subscribed for to avoid memory leak. 553 554 555 if (callbacks.length === 0) { 556 delete this._callbacks['$' + event]; 557 } 558 559 return this; 560 }; 561 /** 562 * Emit `event` with the given args. 563 * 564 * @param {String} event 565 * @param {Mixed} ... 566 * @return {Emitter} 567 */ 568 569 570 Emitter.prototype.emit = function (event) { 571 this._callbacks = this._callbacks || {}; 572 var args = new Array(arguments.length - 1), 573 callbacks = this._callbacks['$' + event]; 574 575 for (var i = 1; i < arguments.length; i++) { 576 args[i - 1] = arguments[i]; 577 } 578 579 if (callbacks) { 580 callbacks = callbacks.slice(0); 581 582 for (var i = 0, len = callbacks.length; i < len; ++i) { 583 callbacks[i].apply(this, args); 584 } 585 } 586 587 return this; 588 }; // alias used for reserved events (protected method) 589 590 591 Emitter.prototype.emitReserved = Emitter.prototype.emit; 592 /** 593 * Return array of callbacks for `event`. 594 * 595 * @param {String} event 596 * @return {Array} 597 * @api public 598 */ 599 600 Emitter.prototype.listeners = function (event) { 601 this._callbacks = this._callbacks || {}; 602 return this._callbacks['$' + event] || []; 603 }; 604 /** 605 * Check if this emitter has `event` handlers. 606 * 607 * @param {String} event 608 * @return {Boolean} 609 * @api public 610 */ 611 612 613 Emitter.prototype.hasListeners = function (event) { 614 return !!this.listeners(event).length; 615 }; 616 617 var PACKET_TYPES = Object.create(null); // no Map = no polyfill 618 619 PACKET_TYPES["open"] = "0"; 620 PACKET_TYPES["close"] = "1"; 621 PACKET_TYPES["ping"] = "2"; 622 PACKET_TYPES["pong"] = "3"; 623 PACKET_TYPES["message"] = "4"; 624 PACKET_TYPES["upgrade"] = "5"; 625 PACKET_TYPES["noop"] = "6"; 626 var PACKET_TYPES_REVERSE = Object.create(null); 627 Object.keys(PACKET_TYPES).forEach(function (key) { 628 PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key; 629 }); 630 var ERROR_PACKET = { 631 type: "error", 632 data: "parser error" 633 }; 634 635 var withNativeBlob$1 = typeof Blob === "function" || typeof Blob !== "undefined" && Object.prototype.toString.call(Blob) === "[object BlobConstructor]"; 636 var withNativeArrayBuffer$2 = typeof ArrayBuffer === "function"; // ArrayBuffer.isView method is not defined in IE10 637 638 var isView$1 = function isView(obj) { 639 return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj && obj.buffer instanceof ArrayBuffer; 640 }; 641 642 var encodePacket = function encodePacket(_ref, supportsBinary, callback) { 643 var type = _ref.type, 644 data = _ref.data; 645 646 if (withNativeBlob$1 && data instanceof Blob) { 647 if (supportsBinary) { 648 return callback(data); 649 } else { 650 return encodeBlobAsBase64(data, callback); 651 } 652 } else if (withNativeArrayBuffer$2 && (data instanceof ArrayBuffer || isView$1(data))) { 653 if (supportsBinary) { 654 return callback(data); 655 } else { 656 return encodeBlobAsBase64(new Blob([data]), callback); 657 } 658 } // plain string 659 660 661 return callback(PACKET_TYPES[type] + (data || "")); 662 }; 663 664 var encodeBlobAsBase64 = function encodeBlobAsBase64(data, callback) { 665 var fileReader = new FileReader(); 666 667 fileReader.onload = function () { 668 var content = fileReader.result.split(",")[1]; 669 callback("b" + content); 4619 670 }; 671 672 return fileReader.readAsDataURL(data); 673 }; 674 675 /* 676 * base64-arraybuffer 1.0.1 <https://github.com/niklasvh/base64-arraybuffer> 677 * Copyright (c) 2021 Niklas von Hertzen <https://hertzen.com> 678 * Released under MIT License 679 */ 680 var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; // Use a lookup table to find the index. 681 682 var lookup$1 = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256); 683 684 for (var i$1 = 0; i$1 < chars.length; i$1++) { 685 lookup$1[chars.charCodeAt(i$1)] = i$1; 4620 686 } 4621 687 4622 var type = encodedPacket.charAt(0); 4623 4624 if (type === "b") { 4625 return { 4626 type: "message", 4627 data: decodeBase64Packet(encodedPacket.substring(1), binaryType) 4628 }; 4629 } 4630 4631 var packetType = PACKET_TYPES_REVERSE[type]; 4632 4633 if (!packetType) { 4634 return ERROR_PACKET; 4635 } 4636 4637 return encodedPacket.length > 1 ? { 4638 type: PACKET_TYPES_REVERSE[type], 4639 data: encodedPacket.substring(1) 4640 } : { 4641 type: PACKET_TYPES_REVERSE[type] 4642 }; 4643 }; 4644 4645 var decodeBase64Packet = function decodeBase64Packet(data, binaryType) { 4646 if (base64decoder) { 4647 var decoded = base64decoder.decode(data); 4648 return mapBinary(decoded, binaryType); 4649 } else { 4650 return { 4651 base64: true, 4652 data: data 4653 }; // fallback for old browsers 4654 } 4655 }; 4656 4657 var mapBinary = function mapBinary(data, binaryType) { 4658 switch (binaryType) { 4659 case "blob": 4660 return data instanceof ArrayBuffer ? new Blob([data]) : data; 4661 4662 case "arraybuffer": 4663 default: 4664 return data; 4665 // assuming the data is already an ArrayBuffer 4666 } 4667 }; 4668 4669 module.exports = decodePacket; 4670 4671 /***/ }), 4672 4673 /***/ "./node_modules/engine.io-parser/lib/encodePacket.browser.js": 4674 /*!*******************************************************************!*\ 4675 !*** ./node_modules/engine.io-parser/lib/encodePacket.browser.js ***! 4676 \*******************************************************************/ 4677 /*! no static exports found */ 4678 /***/ (function(module, exports, __webpack_require__) { 4679 4680 var _require = __webpack_require__(/*! ./commons */ "./node_modules/engine.io-parser/lib/commons.js"), 4681 PACKET_TYPES = _require.PACKET_TYPES; 4682 4683 var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && Object.prototype.toString.call(Blob) === "[object BlobConstructor]"; 4684 var withNativeArrayBuffer = typeof ArrayBuffer === "function"; // ArrayBuffer.isView method is not defined in IE10 4685 4686 var isView = function isView(obj) { 4687 return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj && obj.buffer instanceof ArrayBuffer; 4688 }; 4689 4690 var encodePacket = function encodePacket(_ref, supportsBinary, callback) { 4691 var type = _ref.type, 4692 data = _ref.data; 4693 4694 if (withNativeBlob && data instanceof Blob) { 4695 if (supportsBinary) { 4696 return callback(data); 4697 } else { 4698 return encodeBlobAsBase64(data, callback); 4699 } 4700 } else if (withNativeArrayBuffer && (data instanceof ArrayBuffer || isView(data))) { 4701 if (supportsBinary) { 4702 return callback(data instanceof ArrayBuffer ? data : data.buffer); 4703 } else { 4704 return encodeBlobAsBase64(new Blob([data]), callback); 4705 } 4706 } // plain string 4707 4708 4709 return callback(PACKET_TYPES[type] + (data || "")); 4710 }; 4711 4712 var encodeBlobAsBase64 = function encodeBlobAsBase64(data, callback) { 4713 var fileReader = new FileReader(); 4714 4715 fileReader.onload = function () { 4716 var content = fileReader.result.split(",")[1]; 4717 callback("b" + content); 4718 }; 4719 4720 return fileReader.readAsDataURL(data); 4721 }; 4722 4723 module.exports = encodePacket; 4724 4725 /***/ }), 4726 4727 /***/ "./node_modules/engine.io-parser/lib/index.js": 4728 /*!****************************************************!*\ 4729 !*** ./node_modules/engine.io-parser/lib/index.js ***! 4730 \****************************************************/ 4731 /*! no static exports found */ 4732 /***/ (function(module, exports, __webpack_require__) { 4733 4734 var encodePacket = __webpack_require__(/*! ./encodePacket */ "./node_modules/engine.io-parser/lib/encodePacket.browser.js"); 4735 4736 var decodePacket = __webpack_require__(/*! ./decodePacket */ "./node_modules/engine.io-parser/lib/decodePacket.browser.js"); 4737 4738 var SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text 4739 4740 var encodePayload = function encodePayload(packets, callback) { 4741 // some packets may be added to the array while encoding, so the initial length must be saved 4742 var length = packets.length; 4743 var encodedPackets = new Array(length); 4744 var count = 0; 4745 packets.forEach(function (packet, i) { 4746 // force base64 encoding for binary packets 4747 encodePacket(packet, false, function (encodedPacket) { 4748 encodedPackets[i] = encodedPacket; 4749 4750 if (++count === length) { 4751 callback(encodedPackets.join(SEPARATOR)); 4752 } 4753 }); 4754 }); 4755 }; 4756 4757 var decodePayload = function decodePayload(encodedPayload, binaryType) { 4758 var encodedPackets = encodedPayload.split(SEPARATOR); 4759 var packets = []; 4760 4761 for (var i = 0; i < encodedPackets.length; i++) { 4762 var decodedPacket = decodePacket(encodedPackets[i], binaryType); 4763 packets.push(decodedPacket); 4764 4765 if (decodedPacket.type === "error") { 4766 break; 4767 } 4768 } 4769 4770 return packets; 4771 }; 4772 4773 module.exports = { 4774 protocol: 4, 4775 encodePacket: encodePacket, 4776 encodePayload: encodePayload, 4777 decodePacket: decodePacket, 4778 decodePayload: decodePayload 4779 }; 4780 4781 /***/ }), 4782 4783 /***/ "./node_modules/engine.io-parser/node_modules/base64-arraybuffer/lib/base64-arraybuffer.js": 4784 /*!*************************************************************************************************!*\ 4785 !*** ./node_modules/engine.io-parser/node_modules/base64-arraybuffer/lib/base64-arraybuffer.js ***! 4786 \*************************************************************************************************/ 4787 /*! no static exports found */ 4788 /***/ (function(module, exports) { 4789 4790 /* 4791 * base64-arraybuffer 4792 * https://github.com/niklasvh/base64-arraybuffer 4793 * 4794 * Copyright (c) 2012 Niklas von Hertzen 4795 * Licensed under the MIT license. 4796 */ 4797 (function (chars) { 4798 "use strict"; 4799 4800 exports.encode = function (arraybuffer) { 4801 var bytes = new Uint8Array(arraybuffer), 4802 i, 4803 len = bytes.length, 4804 base64 = ""; 4805 4806 for (i = 0; i < len; i += 3) { 4807 base64 += chars[bytes[i] >> 2]; 4808 base64 += chars[(bytes[i] & 3) << 4 | bytes[i + 1] >> 4]; 4809 base64 += chars[(bytes[i + 1] & 15) << 2 | bytes[i + 2] >> 6]; 4810 base64 += chars[bytes[i + 2] & 63]; 4811 } 4812 4813 if (len % 3 === 2) { 4814 base64 = base64.substring(0, base64.length - 1) + "="; 4815 } else if (len % 3 === 1) { 4816 base64 = base64.substring(0, base64.length - 2) + "=="; 4817 } 4818 4819 return base64; 4820 }; 4821 4822 exports.decode = function (base64) { 688 var decode$1 = function decode(base64) { 4823 689 var bufferLength = base64.length * 0.75, 4824 690 len = base64.length, … … 4830 696 encoded4; 4831 697 4832 if (base64[base64.length - 1] === "=") {698 if (base64[base64.length - 1] === '=') { 4833 699 bufferLength--; 4834 700 4835 if (base64[base64.length - 2] === "=") {701 if (base64[base64.length - 2] === '=') { 4836 702 bufferLength--; 4837 703 } … … 4842 708 4843 709 for (i = 0; i < len; i += 4) { 4844 encoded1 = chars.indexOf(base64[i]);4845 encoded2 = chars.indexOf(base64[i + 1]);4846 encoded3 = chars.indexOf(base64[i + 2]);4847 encoded4 = chars.indexOf(base64[i + 3]);710 encoded1 = lookup$1[base64.charCodeAt(i)]; 711 encoded2 = lookup$1[base64.charCodeAt(i + 1)]; 712 encoded3 = lookup$1[base64.charCodeAt(i + 2)]; 713 encoded4 = lookup$1[base64.charCodeAt(i + 3)]; 4848 714 bytes[p++] = encoded1 << 2 | encoded2 >> 4; 4849 715 bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2; … … 4853 719 return arraybuffer; 4854 720 }; 4855 })("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"); 4856 4857 /***/ }), 4858 4859 /***/ "./node_modules/has-cors/index.js": 4860 /*!****************************************!*\ 4861 !*** ./node_modules/has-cors/index.js ***! 4862 \****************************************/ 4863 /*! no static exports found */ 4864 /***/ (function(module, exports) { 4865 4866 /** 4867 * Module exports. 4868 * 4869 * Logic borrowed from Modernizr: 4870 * 4871 * - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js 4872 */ 4873 try { 4874 module.exports = typeof XMLHttpRequest !== 'undefined' && 'withCredentials' in new XMLHttpRequest(); 4875 } catch (err) { 4876 // if XMLHttp support is disabled in IE then it will throw 4877 // when trying to create 4878 module.exports = false; 4879 } 4880 4881 /***/ }), 4882 4883 /***/ "./node_modules/ms/index.js": 4884 /*!**********************************!*\ 4885 !*** ./node_modules/ms/index.js ***! 4886 \**********************************/ 4887 /*! no static exports found */ 4888 /***/ (function(module, exports) { 4889 4890 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } 4891 4892 /** 4893 * Helpers. 4894 */ 4895 var s = 1000; 4896 var m = s * 60; 4897 var h = m * 60; 4898 var d = h * 24; 4899 var w = d * 7; 4900 var y = d * 365.25; 4901 /** 4902 * Parse or format the given `val`. 4903 * 4904 * Options: 4905 * 4906 * - `long` verbose formatting [false] 4907 * 4908 * @param {String|Number} val 4909 * @param {Object} [options] 4910 * @throws {Error} throw an error if val is not a non-empty string or a number 4911 * @return {String|Number} 4912 * @api public 4913 */ 4914 4915 module.exports = function (val, options) { 4916 options = options || {}; 4917 4918 var type = _typeof(val); 4919 4920 if (type === 'string' && val.length > 0) { 4921 return parse(val); 4922 } else if (type === 'number' && isFinite(val)) { 4923 return options["long"] ? fmtLong(val) : fmtShort(val); 4924 } 4925 4926 throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val)); 4927 }; 4928 /** 4929 * Parse the given `str` and return milliseconds. 4930 * 4931 * @param {String} str 4932 * @return {Number} 4933 * @api private 4934 */ 4935 4936 4937 function parse(str) { 4938 str = String(str); 4939 4940 if (str.length > 100) { 4941 return; 4942 } 4943 4944 var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str); 4945 4946 if (!match) { 4947 return; 4948 } 4949 4950 var n = parseFloat(match[1]); 4951 var type = (match[2] || 'ms').toLowerCase(); 4952 4953 switch (type) { 4954 case 'years': 4955 case 'year': 4956 case 'yrs': 4957 case 'yr': 4958 case 'y': 4959 return n * y; 4960 4961 case 'weeks': 4962 case 'week': 4963 case 'w': 4964 return n * w; 4965 4966 case 'days': 4967 case 'day': 4968 case 'd': 4969 return n * d; 4970 4971 case 'hours': 4972 case 'hour': 4973 case 'hrs': 4974 case 'hr': 4975 case 'h': 4976 return n * h; 4977 4978 case 'minutes': 4979 case 'minute': 4980 case 'mins': 4981 case 'min': 4982 case 'm': 4983 return n * m; 4984 4985 case 'seconds': 4986 case 'second': 4987 case 'secs': 4988 case 'sec': 4989 case 's': 4990 return n * s; 4991 4992 case 'milliseconds': 4993 case 'millisecond': 4994 case 'msecs': 4995 case 'msec': 4996 case 'ms': 4997 return n; 4998 4999 default: 5000 return undefined; 5001 } 5002 } 5003 /** 5004 * Short format for `ms`. 5005 * 5006 * @param {Number} ms 5007 * @return {String} 5008 * @api private 5009 */ 5010 5011 5012 function fmtShort(ms) { 5013 var msAbs = Math.abs(ms); 5014 5015 if (msAbs >= d) { 5016 return Math.round(ms / d) + 'd'; 5017 } 5018 5019 if (msAbs >= h) { 5020 return Math.round(ms / h) + 'h'; 5021 } 5022 5023 if (msAbs >= m) { 5024 return Math.round(ms / m) + 'm'; 5025 } 5026 5027 if (msAbs >= s) { 5028 return Math.round(ms / s) + 's'; 5029 } 5030 5031 return ms + 'ms'; 5032 } 5033 /** 5034 * Long format for `ms`. 5035 * 5036 * @param {Number} ms 5037 * @return {String} 5038 * @api private 5039 */ 5040 5041 5042 function fmtLong(ms) { 5043 var msAbs = Math.abs(ms); 5044 5045 if (msAbs >= d) { 5046 return plural(ms, msAbs, d, 'day'); 5047 } 5048 5049 if (msAbs >= h) { 5050 return plural(ms, msAbs, h, 'hour'); 5051 } 5052 5053 if (msAbs >= m) { 5054 return plural(ms, msAbs, m, 'minute'); 5055 } 5056 5057 if (msAbs >= s) { 5058 return plural(ms, msAbs, s, 'second'); 5059 } 5060 5061 return ms + ' ms'; 5062 } 5063 /** 5064 * Pluralization helper. 5065 */ 5066 5067 5068 function plural(ms, msAbs, n, name) { 5069 var isPlural = msAbs >= n * 1.5; 5070 return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : ''); 5071 } 5072 5073 /***/ }), 5074 5075 /***/ "./node_modules/parseqs/index.js": 5076 /*!***************************************!*\ 5077 !*** ./node_modules/parseqs/index.js ***! 5078 \***************************************/ 5079 /*! no static exports found */ 5080 /***/ (function(module, exports) { 5081 5082 /** 5083 * Compiles a querystring 5084 * Returns string representation of the object 5085 * 5086 * @param {Object} 5087 * @api private 5088 */ 5089 exports.encode = function (obj) { 5090 var str = ''; 5091 5092 for (var i in obj) { 5093 if (obj.hasOwnProperty(i)) { 5094 if (str.length) str += '&'; 5095 str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); 5096 } 5097 } 5098 5099 return str; 5100 }; 5101 /** 5102 * Parses a simple querystring into an object 5103 * 5104 * @param {String} qs 5105 * @api private 5106 */ 5107 5108 5109 exports.decode = function (qs) { 5110 var qry = {}; 5111 var pairs = qs.split('&'); 5112 5113 for (var i = 0, l = pairs.length; i < l; i++) { 5114 var pair = pairs[i].split('='); 5115 qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); 5116 } 5117 5118 return qry; 5119 }; 5120 5121 /***/ }), 5122 5123 /***/ "./node_modules/parseuri/index.js": 5124 /*!****************************************!*\ 5125 !*** ./node_modules/parseuri/index.js ***! 5126 \****************************************/ 5127 /*! no static exports found */ 5128 /***/ (function(module, exports) { 5129 5130 /** 5131 * Parses an URI 5132 * 5133 * @author Steven Levithan <stevenlevithan.com> (MIT license) 5134 * @api private 5135 */ 5136 var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; 5137 var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor']; 5138 5139 module.exports = function parseuri(str) { 5140 var src = str, 5141 b = str.indexOf('['), 5142 e = str.indexOf(']'); 5143 5144 if (b != -1 && e != -1) { 5145 str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length); 5146 } 5147 5148 var m = re.exec(str || ''), 5149 uri = {}, 5150 i = 14; 5151 5152 while (i--) { 5153 uri[parts[i]] = m[i] || ''; 5154 } 5155 5156 if (b != -1 && e != -1) { 5157 uri.source = src; 5158 uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':'); 5159 uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':'); 5160 uri.ipv6uri = true; 5161 } 5162 5163 uri.pathNames = pathNames(uri, uri['path']); 5164 uri.queryKey = queryKey(uri, uri['query']); 5165 return uri; 5166 }; 5167 5168 function pathNames(obj, path) { 5169 var regx = /\/{2,9}/g, 5170 names = path.replace(regx, "/").split("/"); 5171 5172 if (path.substr(0, 1) == '/' || path.length === 0) { 5173 names.splice(0, 1); 5174 } 5175 5176 if (path.substr(path.length - 1, 1) == '/') { 5177 names.splice(names.length - 1, 1); 5178 } 5179 5180 return names; 5181 } 5182 5183 function queryKey(uri, query) { 5184 var data = {}; 5185 query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) { 5186 if ($1) { 5187 data[$1] = $2; 5188 } 5189 }); 5190 return data; 5191 } 5192 5193 /***/ }), 5194 5195 /***/ "./node_modules/socket.io-parser/dist/binary.js": 5196 /*!******************************************************!*\ 5197 !*** ./node_modules/socket.io-parser/dist/binary.js ***! 5198 \******************************************************/ 5199 /*! no static exports found */ 5200 /***/ (function(module, exports, __webpack_require__) { 5201 5202 "use strict"; 5203 5204 5205 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } 5206 5207 Object.defineProperty(exports, "__esModule", { 5208 value: true 5209 }); 5210 exports.reconstructPacket = exports.deconstructPacket = void 0; 5211 5212 var is_binary_1 = __webpack_require__(/*! ./is-binary */ "./node_modules/socket.io-parser/dist/is-binary.js"); 5213 /** 5214 * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. 5215 * 5216 * @param {Object} packet - socket.io event packet 5217 * @return {Object} with deconstructed packet and list of buffers 5218 * @public 5219 */ 5220 5221 5222 function deconstructPacket(packet) { 5223 var buffers = []; 5224 var packetData = packet.data; 5225 var pack = packet; 5226 pack.data = _deconstructPacket(packetData, buffers); 5227 pack.attachments = buffers.length; // number of binary 'attachments' 5228 5229 return { 5230 packet: pack, 5231 buffers: buffers 721 722 var withNativeArrayBuffer$1 = typeof ArrayBuffer === "function"; 723 724 var decodePacket = function decodePacket(encodedPacket, binaryType) { 725 if (typeof encodedPacket !== "string") { 726 return { 727 type: "message", 728 data: mapBinary(encodedPacket, binaryType) 729 }; 730 } 731 732 var type = encodedPacket.charAt(0); 733 734 if (type === "b") { 735 return { 736 type: "message", 737 data: decodeBase64Packet(encodedPacket.substring(1), binaryType) 738 }; 739 } 740 741 var packetType = PACKET_TYPES_REVERSE[type]; 742 743 if (!packetType) { 744 return ERROR_PACKET; 745 } 746 747 return encodedPacket.length > 1 ? { 748 type: PACKET_TYPES_REVERSE[type], 749 data: encodedPacket.substring(1) 750 } : { 751 type: PACKET_TYPES_REVERSE[type] 752 }; 5232 753 }; 5233 } 5234 5235 exports.deconstructPacket = deconstructPacket; 5236 5237 function _deconstructPacket(data, buffers) { 5238 if (!data) return data; 5239 5240 if (is_binary_1.isBinary(data)) { 5241 var placeholder = { 5242 _placeholder: true, 5243 num: buffers.length 5244 }; 5245 buffers.push(data); 5246 return placeholder; 5247 } else if (Array.isArray(data)) { 5248 var newData = new Array(data.length); 5249 5250 for (var i = 0; i < data.length; i++) { 5251 newData[i] = _deconstructPacket(data[i], buffers); 5252 } 5253 5254 return newData; 5255 } else if (_typeof(data) === "object" && !(data instanceof Date)) { 5256 var _newData = {}; 5257 5258 for (var key in data) { 5259 if (data.hasOwnProperty(key)) { 5260 _newData[key] = _deconstructPacket(data[key], buffers); 5261 } 5262 } 5263 5264 return _newData; 5265 } 5266 5267 return data; 5268 } 5269 /** 5270 * Reconstructs a binary packet from its placeholder packet and buffers 5271 * 5272 * @param {Object} packet - event packet with placeholders 5273 * @param {Array} buffers - binary buffers to put in placeholder positions 5274 * @return {Object} reconstructed packet 5275 * @public 5276 */ 5277 5278 5279 function reconstructPacket(packet, buffers) { 5280 packet.data = _reconstructPacket(packet.data, buffers); 5281 packet.attachments = undefined; // no longer useful 5282 5283 return packet; 5284 } 5285 5286 exports.reconstructPacket = reconstructPacket; 5287 5288 function _reconstructPacket(data, buffers) { 5289 if (!data) return data; 5290 5291 if (data && data._placeholder) { 5292 return buffers[data.num]; // appropriate buffer (should be natural order anyway) 5293 } else if (Array.isArray(data)) { 5294 for (var i = 0; i < data.length; i++) { 5295 data[i] = _reconstructPacket(data[i], buffers); 5296 } 5297 } else if (_typeof(data) === "object") { 5298 for (var key in data) { 5299 if (data.hasOwnProperty(key)) { 5300 data[key] = _reconstructPacket(data[key], buffers); 5301 } 5302 } 5303 } 5304 5305 return data; 5306 } 5307 5308 /***/ }), 5309 5310 /***/ "./node_modules/socket.io-parser/dist/index.js": 5311 /*!*****************************************************!*\ 5312 !*** ./node_modules/socket.io-parser/dist/index.js ***! 5313 \*****************************************************/ 5314 /*! no static exports found */ 5315 /***/ (function(module, exports, __webpack_require__) { 5316 5317 "use strict"; 5318 5319 5320 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } 5321 5322 function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); } 5323 5324 function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; } 5325 5326 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } 5327 5328 function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } 5329 5330 function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } 5331 5332 function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } 5333 5334 function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } 5335 5336 function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } 5337 5338 function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } 5339 5340 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } 5341 5342 function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } 5343 5344 function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } 5345 5346 Object.defineProperty(exports, "__esModule", { 5347 value: true 5348 }); 5349 exports.Decoder = exports.Encoder = exports.PacketType = exports.protocol = void 0; 5350 5351 var Emitter = __webpack_require__(/*! component-emitter */ "./node_modules/component-emitter/index.js"); 5352 5353 var binary_1 = __webpack_require__(/*! ./binary */ "./node_modules/socket.io-parser/dist/binary.js"); 5354 5355 var is_binary_1 = __webpack_require__(/*! ./is-binary */ "./node_modules/socket.io-parser/dist/is-binary.js"); 5356 5357 var debug = __webpack_require__(/*! debug */ "./node_modules/debug/src/browser.js")("socket.io-parser"); 5358 /** 5359 * Protocol version. 5360 * 5361 * @public 5362 */ 5363 5364 5365 exports.protocol = 5; 5366 var PacketType; 5367 5368 (function (PacketType) { 5369 PacketType[PacketType["CONNECT"] = 0] = "CONNECT"; 5370 PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT"; 5371 PacketType[PacketType["EVENT"] = 2] = "EVENT"; 5372 PacketType[PacketType["ACK"] = 3] = "ACK"; 5373 PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR"; 5374 PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT"; 5375 PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK"; 5376 })(PacketType = exports.PacketType || (exports.PacketType = {})); 5377 /** 5378 * A socket.io Encoder instance 5379 */ 5380 5381 5382 var Encoder = /*#__PURE__*/function () { 5383 function Encoder() { 5384 _classCallCheck(this, Encoder); 5385 } 5386 5387 _createClass(Encoder, [{ 5388 key: "encode", 754 755 var decodeBase64Packet = function decodeBase64Packet(data, binaryType) { 756 if (withNativeArrayBuffer$1) { 757 var decoded = decode$1(data); 758 return mapBinary(decoded, binaryType); 759 } else { 760 return { 761 base64: true, 762 data: data 763 }; // fallback for old browsers 764 } 765 }; 766 767 var mapBinary = function mapBinary(data, binaryType) { 768 switch (binaryType) { 769 case "blob": 770 return data instanceof ArrayBuffer ? new Blob([data]) : data; 771 772 case "arraybuffer": 773 default: 774 return data; 775 // assuming the data is already an ArrayBuffer 776 } 777 }; 778 779 var SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text 780 781 var encodePayload = function encodePayload(packets, callback) { 782 // some packets may be added to the array while encoding, so the initial length must be saved 783 var length = packets.length; 784 var encodedPackets = new Array(length); 785 var count = 0; 786 packets.forEach(function (packet, i) { 787 // force base64 encoding for binary packets 788 encodePacket(packet, false, function (encodedPacket) { 789 encodedPackets[i] = encodedPacket; 790 791 if (++count === length) { 792 callback(encodedPackets.join(SEPARATOR)); 793 } 794 }); 795 }); 796 }; 797 798 var decodePayload = function decodePayload(encodedPayload, binaryType) { 799 var encodedPackets = encodedPayload.split(SEPARATOR); 800 var packets = []; 801 802 for (var i = 0; i < encodedPackets.length; i++) { 803 var decodedPacket = decodePacket(encodedPackets[i], binaryType); 804 packets.push(decodedPacket); 805 806 if (decodedPacket.type === "error") { 807 break; 808 } 809 } 810 811 return packets; 812 }; 813 814 var protocol$1 = 4; 815 816 var Transport = /*#__PURE__*/function (_Emitter) { 817 _inherits(Transport, _Emitter); 818 819 var _super = _createSuper(Transport); 5389 820 5390 821 /** 5391 * Encode a packet as a single string if non-binary, or as a 5392 * buffer sequence, depending on packet type. 822 * Transport abstract constructor. 5393 823 * 5394 * @param {Object} obj - packet object 824 * @param {Object} options. 825 * @api private 5395 826 */ 5396 value: function encode(obj) { 5397 debug("encoding packet %j", obj); 5398 5399 if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) { 5400 if (is_binary_1.hasBinary(obj)) { 5401 obj.type = obj.type === PacketType.EVENT ? PacketType.BINARY_EVENT : PacketType.BINARY_ACK; 5402 return this.encodeAsBinary(obj); 5403 } 5404 } 5405 5406 return [this.encodeAsString(obj)]; 827 function Transport(opts) { 828 var _this; 829 830 _classCallCheck(this, Transport); 831 832 _this = _super.call(this); 833 _this.writable = false; 834 installTimerFunctions(_assertThisInitialized(_this), opts); 835 _this.opts = opts; 836 _this.query = opts.query; 837 _this.readyState = ""; 838 _this.socket = opts.socket; 839 return _this; 5407 840 } 5408 841 /** 5409 * Encode packet as string. 842 * Emits an error. 843 * 844 * @param {String} str 845 * @return {Transport} for chaining 846 * @api protected 5410 847 */ 5411 848 5412 }, { 5413 key: "encodeAsString", 5414 value: function encodeAsString(obj) { 5415 // first is type 5416 var str = "" + obj.type; // attachments if we have them 5417 5418 if (obj.type === PacketType.BINARY_EVENT || obj.type === PacketType.BINARY_ACK) { 5419 str += obj.attachments + "-"; 5420 } // if we have a namespace other than `/` 5421 // we append it followed by a comma `,` 5422 5423 5424 if (obj.nsp && "/" !== obj.nsp) { 5425 str += obj.nsp + ","; 5426 } // immediately followed by the id 5427 5428 5429 if (null != obj.id) { 5430 str += obj.id; 5431 } // json data 5432 5433 5434 if (null != obj.data) { 5435 str += JSON.stringify(obj.data); 5436 } 5437 5438 debug("encoded %j as %s", obj, str); 5439 return str; 5440 } 5441 /** 5442 * Encode packet as 'buffer sequence' by removing blobs, and 5443 * deconstructing packet into object with placeholders and 5444 * a list of buffers. 5445 */ 5446 5447 }, { 5448 key: "encodeAsBinary", 5449 value: function encodeAsBinary(obj) { 5450 var deconstruction = binary_1.deconstructPacket(obj); 5451 var pack = this.encodeAsString(deconstruction.packet); 5452 var buffers = deconstruction.buffers; 5453 buffers.unshift(pack); // add packet info to beginning of data list 5454 5455 return buffers; // write all the buffers 5456 } 5457 }]); 5458 5459 return Encoder; 5460 }(); 5461 5462 exports.Encoder = Encoder; 5463 /** 5464 * A socket.io Decoder instance 5465 * 5466 * @return {Object} decoder 5467 */ 5468 5469 var Decoder = /*#__PURE__*/function (_Emitter) { 5470 _inherits(Decoder, _Emitter); 5471 5472 var _super = _createSuper(Decoder); 5473 5474 function Decoder() { 5475 _classCallCheck(this, Decoder); 5476 5477 return _super.call(this); 849 850 _createClass(Transport, [{ 851 key: "onError", 852 value: function onError(msg, desc) { 853 var err = new Error(msg); // @ts-ignore 854 855 err.type = "TransportError"; // @ts-ignore 856 857 err.description = desc; 858 859 _get(_getPrototypeOf(Transport.prototype), "emit", this).call(this, "error", err); 860 861 return this; 862 } 863 /** 864 * Opens the transport. 865 * 866 * @api public 867 */ 868 869 }, { 870 key: "open", 871 value: function open() { 872 if ("closed" === this.readyState || "" === this.readyState) { 873 this.readyState = "opening"; 874 this.doOpen(); 875 } 876 877 return this; 878 } 879 /** 880 * Closes the transport. 881 * 882 * @api public 883 */ 884 885 }, { 886 key: "close", 887 value: function close() { 888 if ("opening" === this.readyState || "open" === this.readyState) { 889 this.doClose(); 890 this.onClose(); 891 } 892 893 return this; 894 } 895 /** 896 * Sends multiple packets. 897 * 898 * @param {Array} packets 899 * @api public 900 */ 901 902 }, { 903 key: "send", 904 value: function send(packets) { 905 if ("open" === this.readyState) { 906 this.write(packets); 907 } 908 } 909 /** 910 * Called upon open 911 * 912 * @api protected 913 */ 914 915 }, { 916 key: "onOpen", 917 value: function onOpen() { 918 this.readyState = "open"; 919 this.writable = true; 920 921 _get(_getPrototypeOf(Transport.prototype), "emit", this).call(this, "open"); 922 } 923 /** 924 * Called with data. 925 * 926 * @param {String} data 927 * @api protected 928 */ 929 930 }, { 931 key: "onData", 932 value: function onData(data) { 933 var packet = decodePacket(data, this.socket.binaryType); 934 this.onPacket(packet); 935 } 936 /** 937 * Called with a decoded packet. 938 * 939 * @api protected 940 */ 941 942 }, { 943 key: "onPacket", 944 value: function onPacket(packet) { 945 _get(_getPrototypeOf(Transport.prototype), "emit", this).call(this, "packet", packet); 946 } 947 /** 948 * Called upon close. 949 * 950 * @api protected 951 */ 952 953 }, { 954 key: "onClose", 955 value: function onClose() { 956 this.readyState = "closed"; 957 958 _get(_getPrototypeOf(Transport.prototype), "emit", this).call(this, "close"); 959 } 960 }]); 961 962 return Transport; 963 }(Emitter_1); 964 965 var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), 966 length = 64, 967 map = {}, 968 seed = 0, 969 i = 0, 970 prev; 971 /** 972 * Return a string representing the specified number. 973 * 974 * @param {Number} num The number to convert. 975 * @returns {String} The string representation of the number. 976 * @api public 977 */ 978 979 function encode(num) { 980 var encoded = ''; 981 982 do { 983 encoded = alphabet[num % length] + encoded; 984 num = Math.floor(num / length); 985 } while (num > 0); 986 987 return encoded; 5478 988 } 5479 989 /** 5480 * Decodes an encoded packet string into packet JSON.990 * Return the integer value specified by the given string. 5481 991 * 5482 * @param {String} obj - encoded packet 992 * @param {String} str The string to convert. 993 * @returns {Number} The integer value represented by the string. 994 * @api public 5483 995 */ 5484 996 5485 997 5486 _createClass(Decoder, [{ 5487 key: "add", 5488 value: function add(obj) { 5489 var packet; 5490 5491 if (typeof obj === "string") { 5492 packet = this.decodeString(obj); 5493 5494 if (packet.type === PacketType.BINARY_EVENT || packet.type === PacketType.BINARY_ACK) { 5495 // binary packet's json 5496 this.reconstructor = new BinaryReconstructor(packet); // no attachments, labeled binary but no binary data to follow 5497 5498 if (packet.attachments === 0) { 5499 _get(_getPrototypeOf(Decoder.prototype), "emit", this).call(this, "decoded", packet); 998 function decode(str) { 999 var decoded = 0; 1000 1001 for (i = 0; i < str.length; i++) { 1002 decoded = decoded * length + map[str.charAt(i)]; 1003 } 1004 1005 return decoded; 1006 } 1007 /** 1008 * Yeast: A tiny growing id generator. 1009 * 1010 * @returns {String} A unique id. 1011 * @api public 1012 */ 1013 1014 1015 function yeast() { 1016 var now = encode(+new Date()); 1017 if (now !== prev) return seed = 0, prev = now; 1018 return now + '.' + encode(seed++); 1019 } // 1020 // Map each character to its index. 1021 // 1022 1023 1024 for (; i < length; i++) { 1025 map[alphabet[i]] = i; 1026 } // 1027 // Expose the `yeast`, `encode` and `decode` functions. 1028 // 1029 1030 1031 yeast.encode = encode; 1032 yeast.decode = decode; 1033 var yeast_1 = yeast; 1034 1035 var parseqs = {}; 1036 1037 /** 1038 * Compiles a querystring 1039 * Returns string representation of the object 1040 * 1041 * @param {Object} 1042 * @api private 1043 */ 1044 1045 parseqs.encode = function (obj) { 1046 var str = ''; 1047 1048 for (var i in obj) { 1049 if (obj.hasOwnProperty(i)) { 1050 if (str.length) str += '&'; 1051 str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]); 1052 } 1053 } 1054 1055 return str; 1056 }; 1057 /** 1058 * Parses a simple querystring into an object 1059 * 1060 * @param {String} qs 1061 * @api private 1062 */ 1063 1064 1065 parseqs.decode = function (qs) { 1066 var qry = {}; 1067 var pairs = qs.split('&'); 1068 1069 for (var i = 0, l = pairs.length; i < l; i++) { 1070 var pair = pairs[i].split('='); 1071 qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]); 1072 } 1073 1074 return qry; 1075 }; 1076 1077 var Polling = /*#__PURE__*/function (_Transport) { 1078 _inherits(Polling, _Transport); 1079 1080 var _super = _createSuper(Polling); 1081 1082 function Polling() { 1083 var _this; 1084 1085 _classCallCheck(this, Polling); 1086 1087 _this = _super.apply(this, arguments); 1088 _this.polling = false; 1089 return _this; 1090 } 1091 /** 1092 * Transport name. 1093 */ 1094 1095 1096 _createClass(Polling, [{ 1097 key: "name", 1098 get: function get() { 1099 return "polling"; 1100 } 1101 /** 1102 * Opens the socket (triggers polling). We write a PING message to determine 1103 * when the transport is open. 1104 * 1105 * @api private 1106 */ 1107 1108 }, { 1109 key: "doOpen", 1110 value: function doOpen() { 1111 this.poll(); 1112 } 1113 /** 1114 * Pauses polling. 1115 * 1116 * @param {Function} callback upon buffers are flushed and transport is paused 1117 * @api private 1118 */ 1119 1120 }, { 1121 key: "pause", 1122 value: function pause(onPause) { 1123 var _this2 = this; 1124 1125 this.readyState = "pausing"; 1126 1127 var pause = function pause() { 1128 _this2.readyState = "paused"; 1129 onPause(); 1130 }; 1131 1132 if (this.polling || !this.writable) { 1133 var total = 0; 1134 1135 if (this.polling) { 1136 total++; 1137 this.once("pollComplete", function () { 1138 --total || pause(); 1139 }); 1140 } 1141 1142 if (!this.writable) { 1143 total++; 1144 this.once("drain", function () { 1145 --total || pause(); 1146 }); 5500 1147 } 5501 1148 } else { 5502 // non-binary full packet 5503 _get(_getPrototypeOf(Decoder.prototype), "emit", this).call(this, "decoded", packet); 5504 } 5505 } else if (is_binary_1.isBinary(obj) || obj.base64) { 5506 // raw binary data 5507 if (!this.reconstructor) { 5508 throw new Error("got binary data when not reconstructing a packet"); 1149 pause(); 1150 } 1151 } 1152 /** 1153 * Starts polling cycle. 1154 * 1155 * @api public 1156 */ 1157 1158 }, { 1159 key: "poll", 1160 value: function poll() { 1161 this.polling = true; 1162 this.doPoll(); 1163 this.emit("poll"); 1164 } 1165 /** 1166 * Overloads onData to detect payloads. 1167 * 1168 * @api private 1169 */ 1170 1171 }, { 1172 key: "onData", 1173 value: function onData(data) { 1174 var _this3 = this; 1175 1176 var callback = function callback(packet) { 1177 // if its the first message we consider the transport open 1178 if ("opening" === _this3.readyState && packet.type === "open") { 1179 _this3.onOpen(); 1180 } // if its a close packet, we close the ongoing requests 1181 1182 1183 if ("close" === packet.type) { 1184 _this3.onClose(); 1185 1186 return false; 1187 } // otherwise bypass onData and handle the message 1188 1189 1190 _this3.onPacket(packet); 1191 }; // decode payload 1192 1193 1194 decodePayload(data, this.socket.binaryType).forEach(callback); // if an event did not trigger closing 1195 1196 if ("closed" !== this.readyState) { 1197 // if we got data we're not polling 1198 this.polling = false; 1199 this.emit("pollComplete"); 1200 1201 if ("open" === this.readyState) { 1202 this.poll(); 1203 } 1204 } 1205 } 1206 /** 1207 * For polling, send a close packet. 1208 * 1209 * @api private 1210 */ 1211 1212 }, { 1213 key: "doClose", 1214 value: function doClose() { 1215 var _this4 = this; 1216 1217 var close = function close() { 1218 _this4.write([{ 1219 type: "close" 1220 }]); 1221 }; 1222 1223 if ("open" === this.readyState) { 1224 close(); 5509 1225 } else { 5510 packet = this.reconstructor.takeBinaryData(obj); 5511 5512 if (packet) { 5513 // received final buffer 5514 this.reconstructor = null; 5515 5516 _get(_getPrototypeOf(Decoder.prototype), "emit", this).call(this, "decoded", packet); 1226 // in case we're trying to close while 1227 // handshaking is in progress (GH-164) 1228 this.once("open", close); 1229 } 1230 } 1231 /** 1232 * Writes a packets payload. 1233 * 1234 * @param {Array} data packets 1235 * @param {Function} drain callback 1236 * @api private 1237 */ 1238 1239 }, { 1240 key: "write", 1241 value: function write(packets) { 1242 var _this5 = this; 1243 1244 this.writable = false; 1245 encodePayload(packets, function (data) { 1246 _this5.doWrite(data, function () { 1247 _this5.writable = true; 1248 1249 _this5.emit("drain"); 1250 }); 1251 }); 1252 } 1253 /** 1254 * Generates uri for connection. 1255 * 1256 * @api private 1257 */ 1258 1259 }, { 1260 key: "uri", 1261 value: function uri() { 1262 var query = this.query || {}; 1263 var schema = this.opts.secure ? "https" : "http"; 1264 var port = ""; // cache busting is forced 1265 1266 if (false !== this.opts.timestampRequests) { 1267 query[this.opts.timestampParam] = yeast_1(); 1268 } 1269 1270 if (!this.supportsBinary && !query.sid) { 1271 query.b64 = 1; 1272 } // avoid port if default for schema 1273 1274 1275 if (this.opts.port && ("https" === schema && Number(this.opts.port) !== 443 || "http" === schema && Number(this.opts.port) !== 80)) { 1276 port = ":" + this.opts.port; 1277 } 1278 1279 var encodedQuery = parseqs.encode(query); 1280 var ipv6 = this.opts.hostname.indexOf(":") !== -1; 1281 return schema + "://" + (ipv6 ? "[" + this.opts.hostname + "]" : this.opts.hostname) + port + this.opts.path + (encodedQuery.length ? "?" + encodedQuery : ""); 1282 } 1283 }]); 1284 1285 return Polling; 1286 }(Transport); 1287 1288 /** 1289 * Empty function 1290 */ 1291 1292 function empty() {} 1293 1294 var hasXHR2 = function () { 1295 var xhr = new XMLHttpRequest$1({ 1296 xdomain: false 1297 }); 1298 return null != xhr.responseType; 1299 }(); 1300 1301 var XHR = /*#__PURE__*/function (_Polling) { 1302 _inherits(XHR, _Polling); 1303 1304 var _super = _createSuper(XHR); 1305 1306 /** 1307 * XHR Polling constructor. 1308 * 1309 * @param {Object} opts 1310 * @api public 1311 */ 1312 function XHR(opts) { 1313 var _this; 1314 1315 _classCallCheck(this, XHR); 1316 1317 _this = _super.call(this, opts); 1318 1319 if (typeof location !== "undefined") { 1320 var isSSL = "https:" === location.protocol; 1321 var port = location.port; // some user agents have empty `location.port` 1322 1323 if (!port) { 1324 port = isSSL ? "443" : "80"; 1325 } 1326 1327 _this.xd = typeof location !== "undefined" && opts.hostname !== location.hostname || port !== opts.port; 1328 _this.xs = opts.secure !== isSSL; 1329 } 1330 /** 1331 * XHR supports binary 1332 */ 1333 1334 1335 var forceBase64 = opts && opts.forceBase64; 1336 _this.supportsBinary = hasXHR2 && !forceBase64; 1337 return _this; 1338 } 1339 /** 1340 * Creates a request. 1341 * 1342 * @param {String} method 1343 * @api private 1344 */ 1345 1346 1347 _createClass(XHR, [{ 1348 key: "request", 1349 value: function request() { 1350 var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; 1351 1352 _extends(opts, { 1353 xd: this.xd, 1354 xs: this.xs 1355 }, this.opts); 1356 1357 return new Request(this.uri(), opts); 1358 } 1359 /** 1360 * Sends data. 1361 * 1362 * @param {String} data to send. 1363 * @param {Function} called upon flush. 1364 * @api private 1365 */ 1366 1367 }, { 1368 key: "doWrite", 1369 value: function doWrite(data, fn) { 1370 var _this2 = this; 1371 1372 var req = this.request({ 1373 method: "POST", 1374 data: data 1375 }); 1376 req.on("success", fn); 1377 req.on("error", function (err) { 1378 _this2.onError("xhr post error", err); 1379 }); 1380 } 1381 /** 1382 * Starts a poll cycle. 1383 * 1384 * @api private 1385 */ 1386 1387 }, { 1388 key: "doPoll", 1389 value: function doPoll() { 1390 var _this3 = this; 1391 1392 var req = this.request(); 1393 req.on("data", this.onData.bind(this)); 1394 req.on("error", function (err) { 1395 _this3.onError("xhr poll error", err); 1396 }); 1397 this.pollXhr = req; 1398 } 1399 }]); 1400 1401 return XHR; 1402 }(Polling); 1403 var Request = /*#__PURE__*/function (_Emitter) { 1404 _inherits(Request, _Emitter); 1405 1406 var _super2 = _createSuper(Request); 1407 1408 /** 1409 * Request constructor 1410 * 1411 * @param {Object} options 1412 * @api public 1413 */ 1414 function Request(uri, opts) { 1415 var _this4; 1416 1417 _classCallCheck(this, Request); 1418 1419 _this4 = _super2.call(this); 1420 installTimerFunctions(_assertThisInitialized(_this4), opts); 1421 _this4.opts = opts; 1422 _this4.method = opts.method || "GET"; 1423 _this4.uri = uri; 1424 _this4.async = false !== opts.async; 1425 _this4.data = undefined !== opts.data ? opts.data : null; 1426 1427 _this4.create(); 1428 1429 return _this4; 1430 } 1431 /** 1432 * Creates the XHR object and sends the request. 1433 * 1434 * @api private 1435 */ 1436 1437 1438 _createClass(Request, [{ 1439 key: "create", 1440 value: function create() { 1441 var _this5 = this; 1442 1443 var opts = pick(this.opts, "agent", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "autoUnref"); 1444 opts.xdomain = !!this.opts.xd; 1445 opts.xscheme = !!this.opts.xs; 1446 var xhr = this.xhr = new XMLHttpRequest$1(opts); 1447 1448 try { 1449 xhr.open(this.method, this.uri, this.async); 1450 1451 try { 1452 if (this.opts.extraHeaders) { 1453 xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true); 1454 1455 for (var i in this.opts.extraHeaders) { 1456 if (this.opts.extraHeaders.hasOwnProperty(i)) { 1457 xhr.setRequestHeader(i, this.opts.extraHeaders[i]); 1458 } 1459 } 1460 } 1461 } catch (e) {} 1462 1463 if ("POST" === this.method) { 1464 try { 1465 xhr.setRequestHeader("Content-type", "text/plain;charset=UTF-8"); 1466 } catch (e) {} 5517 1467 } 5518 } 5519 } else { 5520 throw new Error("Unknown type: " + obj); 5521 } 5522 } 1468 1469 try { 1470 xhr.setRequestHeader("Accept", "*/*"); 1471 } catch (e) {} // ie6 check 1472 1473 1474 if ("withCredentials" in xhr) { 1475 xhr.withCredentials = this.opts.withCredentials; 1476 } 1477 1478 if (this.opts.requestTimeout) { 1479 xhr.timeout = this.opts.requestTimeout; 1480 } 1481 1482 xhr.onreadystatechange = function () { 1483 if (4 !== xhr.readyState) return; 1484 1485 if (200 === xhr.status || 1223 === xhr.status) { 1486 _this5.onLoad(); 1487 } else { 1488 // make sure the `error` event handler that's user-set 1489 // does not throw in the same tick and gets caught here 1490 _this5.setTimeoutFn(function () { 1491 _this5.onError(typeof xhr.status === "number" ? xhr.status : 0); 1492 }, 0); 1493 } 1494 }; 1495 1496 xhr.send(this.data); 1497 } catch (e) { 1498 // Need to defer since .create() is called directly from the constructor 1499 // and thus the 'error' event can only be only bound *after* this exception 1500 // occurs. Therefore, also, we cannot throw here at all. 1501 this.setTimeoutFn(function () { 1502 _this5.onError(e); 1503 }, 0); 1504 return; 1505 } 1506 1507 if (typeof document !== "undefined") { 1508 this.index = Request.requestsCount++; 1509 Request.requests[this.index] = this; 1510 } 1511 } 1512 /** 1513 * Called upon successful response. 1514 * 1515 * @api private 1516 */ 1517 1518 }, { 1519 key: "onSuccess", 1520 value: function onSuccess() { 1521 this.emit("success"); 1522 this.cleanup(); 1523 } 1524 /** 1525 * Called if we have data. 1526 * 1527 * @api private 1528 */ 1529 1530 }, { 1531 key: "onData", 1532 value: function onData(data) { 1533 this.emit("data", data); 1534 this.onSuccess(); 1535 } 1536 /** 1537 * Called upon error. 1538 * 1539 * @api private 1540 */ 1541 1542 }, { 1543 key: "onError", 1544 value: function onError(err) { 1545 this.emit("error", err); 1546 this.cleanup(true); 1547 } 1548 /** 1549 * Cleans up house. 1550 * 1551 * @api private 1552 */ 1553 1554 }, { 1555 key: "cleanup", 1556 value: function cleanup(fromError) { 1557 if ("undefined" === typeof this.xhr || null === this.xhr) { 1558 return; 1559 } 1560 1561 this.xhr.onreadystatechange = empty; 1562 1563 if (fromError) { 1564 try { 1565 this.xhr.abort(); 1566 } catch (e) {} 1567 } 1568 1569 if (typeof document !== "undefined") { 1570 delete Request.requests[this.index]; 1571 } 1572 1573 this.xhr = null; 1574 } 1575 /** 1576 * Called upon load. 1577 * 1578 * @api private 1579 */ 1580 1581 }, { 1582 key: "onLoad", 1583 value: function onLoad() { 1584 var data = this.xhr.responseText; 1585 1586 if (data !== null) { 1587 this.onData(data); 1588 } 1589 } 1590 /** 1591 * Aborts the request. 1592 * 1593 * @api public 1594 */ 1595 1596 }, { 1597 key: "abort", 1598 value: function abort() { 1599 this.cleanup(); 1600 } 1601 }]); 1602 1603 return Request; 1604 }(Emitter_1); 1605 Request.requestsCount = 0; 1606 Request.requests = {}; 1607 /** 1608 * Aborts pending requests when unloading the window. This is needed to prevent 1609 * memory leaks (e.g. when using IE) and to ensure that no spurious error is 1610 * emitted. 1611 */ 1612 1613 if (typeof document !== "undefined") { 1614 // @ts-ignore 1615 if (typeof attachEvent === "function") { 1616 // @ts-ignore 1617 attachEvent("onunload", unloadHandler); 1618 } else if (typeof addEventListener === "function") { 1619 var terminationEvent = "onpagehide" in globalThis ? "pagehide" : "unload"; 1620 addEventListener(terminationEvent, unloadHandler, false); 1621 } 1622 } 1623 1624 function unloadHandler() { 1625 for (var i in Request.requests) { 1626 if (Request.requests.hasOwnProperty(i)) { 1627 Request.requests[i].abort(); 1628 } 1629 } 1630 } 1631 1632 var nextTick = function () { 1633 var isPromiseAvailable = typeof Promise === "function" && typeof Promise.resolve === "function"; 1634 1635 if (isPromiseAvailable) { 1636 return function (cb) { 1637 return Promise.resolve().then(cb); 1638 }; 1639 } else { 1640 return function (cb, setTimeoutFn) { 1641 return setTimeoutFn(cb, 0); 1642 }; 1643 } 1644 }(); 1645 var WebSocket = globalThis.WebSocket || globalThis.MozWebSocket; 1646 var usingBrowserWebSocket = true; 1647 var defaultBinaryType = "arraybuffer"; 1648 1649 var isReactNative = typeof navigator !== "undefined" && typeof navigator.product === "string" && navigator.product.toLowerCase() === "reactnative"; 1650 var WS = /*#__PURE__*/function (_Transport) { 1651 _inherits(WS, _Transport); 1652 1653 var _super = _createSuper(WS); 1654 5523 1655 /** 5524 * Decode a packet String (JSON data)1656 * WebSocket transport constructor. 5525 1657 * 5526 * @ param {String} str5527 * @ return {Object} packet1658 * @api {Object} connection options 1659 * @api public 5528 1660 */ 5529 5530 }, { 5531 key: "decodeString", 5532 value: function decodeString(str) { 5533 var i = 0; // look up type 5534 5535 var p = { 5536 type: Number(str.charAt(0)) 5537 }; 5538 5539 if (PacketType[p.type] === undefined) { 5540 throw new Error("unknown packet type " + p.type); 5541 } // look up attachments if type binary 5542 5543 5544 if (p.type === PacketType.BINARY_EVENT || p.type === PacketType.BINARY_ACK) { 5545 var start = i + 1; 5546 5547 while (str.charAt(++i) !== "-" && i != str.length) {} 5548 5549 var buf = str.substring(start, i); 5550 5551 if (buf != Number(buf) || str.charAt(i) !== "-") { 5552 throw new Error("Illegal attachments"); 5553 } 5554 5555 p.attachments = Number(buf); 5556 } // look up namespace (if any) 5557 5558 5559 if ("/" === str.charAt(i + 1)) { 5560 var _start = i + 1; 5561 5562 while (++i) { 5563 var c = str.charAt(i); 5564 if ("," === c) break; 5565 if (i === str.length) break; 5566 } 5567 5568 p.nsp = str.substring(_start, i); 5569 } else { 5570 p.nsp = "/"; 5571 } // look up id 5572 5573 5574 var next = str.charAt(i + 1); 5575 5576 if ("" !== next && Number(next) == next) { 5577 var _start2 = i + 1; 5578 5579 while (++i) { 5580 var _c = str.charAt(i); 5581 5582 if (null == _c || Number(_c) != _c) { 5583 --i; 5584 break; 1661 function WS(opts) { 1662 var _this; 1663 1664 _classCallCheck(this, WS); 1665 1666 _this = _super.call(this, opts); 1667 _this.supportsBinary = !opts.forceBase64; 1668 return _this; 1669 } 1670 /** 1671 * Transport name. 1672 * 1673 * @api public 1674 */ 1675 1676 1677 _createClass(WS, [{ 1678 key: "name", 1679 get: function get() { 1680 return "websocket"; 1681 } 1682 /** 1683 * Opens socket. 1684 * 1685 * @api private 1686 */ 1687 1688 }, { 1689 key: "doOpen", 1690 value: function doOpen() { 1691 if (!this.check()) { 1692 // let probe timeout 1693 return; 1694 } 1695 1696 var uri = this.uri(); 1697 var protocols = this.opts.protocols; // React Native only supports the 'headers' option, and will print a warning if anything else is passed 1698 1699 var opts = isReactNative ? {} : pick(this.opts, "agent", "perMessageDeflate", "pfx", "key", "passphrase", "cert", "ca", "ciphers", "rejectUnauthorized", "localAddress", "protocolVersion", "origin", "maxPayload", "family", "checkServerIdentity"); 1700 1701 if (this.opts.extraHeaders) { 1702 opts.headers = this.opts.extraHeaders; 1703 } 1704 1705 try { 1706 this.ws = usingBrowserWebSocket && !isReactNative ? protocols ? new WebSocket(uri, protocols) : new WebSocket(uri) : new WebSocket(uri, protocols, opts); 1707 } catch (err) { 1708 return this.emit("error", err); 1709 } 1710 1711 this.ws.binaryType = this.socket.binaryType || defaultBinaryType; 1712 this.addEventListeners(); 1713 } 1714 /** 1715 * Adds event listeners to the socket 1716 * 1717 * @api private 1718 */ 1719 1720 }, { 1721 key: "addEventListeners", 1722 value: function addEventListeners() { 1723 var _this2 = this; 1724 1725 this.ws.onopen = function () { 1726 if (_this2.opts.autoUnref) { 1727 _this2.ws._socket.unref(); 5585 1728 } 5586 1729 5587 if (i === str.length) break; 5588 } 5589 5590 p.id = Number(str.substring(_start2, i + 1)); 5591 } // look up json data 5592 5593 5594 if (str.charAt(++i)) { 5595 var payload = tryParse(str.substr(i)); 5596 5597 if (Decoder.isPayloadValid(p.type, payload)) { 5598 p.data = payload; 1730 _this2.onOpen(); 1731 }; 1732 1733 this.ws.onclose = this.onClose.bind(this); 1734 1735 this.ws.onmessage = function (ev) { 1736 return _this2.onData(ev.data); 1737 }; 1738 1739 this.ws.onerror = function (e) { 1740 return _this2.onError("websocket error", e); 1741 }; 1742 } 1743 /** 1744 * Writes data to socket. 1745 * 1746 * @param {Array} array of packets. 1747 * @api private 1748 */ 1749 1750 }, { 1751 key: "write", 1752 value: function write(packets) { 1753 var _this3 = this; 1754 1755 this.writable = false; // encodePacket efficient as it uses WS framing 1756 // no need for encodePayload 1757 1758 var _loop = function _loop(i) { 1759 var packet = packets[i]; 1760 var lastPacket = i === packets.length - 1; 1761 encodePacket(packet, _this3.supportsBinary, function (data) { 1762 // always create a new object (GH-437) 1763 var opts = {}; 1764 // have a chance of informing us about it yet, in that case send will 1765 // throw an error 1766 1767 1768 try { 1769 if (usingBrowserWebSocket) { 1770 // TypeError is thrown when passing the second argument on Safari 1771 _this3.ws.send(data); 1772 } 1773 } catch (e) {} 1774 1775 if (lastPacket) { 1776 // fake drain 1777 // defer to next tick to allow Socket to clear writeBuffer 1778 nextTick(function () { 1779 _this3.writable = true; 1780 1781 _this3.emit("drain"); 1782 }, _this3.setTimeoutFn); 1783 } 1784 }); 1785 }; 1786 1787 for (var i = 0; i < packets.length; i++) { 1788 _loop(i); 1789 } 1790 } 1791 /** 1792 * Closes socket. 1793 * 1794 * @api private 1795 */ 1796 1797 }, { 1798 key: "doClose", 1799 value: function doClose() { 1800 if (typeof this.ws !== "undefined") { 1801 this.ws.close(); 1802 this.ws = null; 1803 } 1804 } 1805 /** 1806 * Generates uri for connection. 1807 * 1808 * @api private 1809 */ 1810 1811 }, { 1812 key: "uri", 1813 value: function uri() { 1814 var query = this.query || {}; 1815 var schema = this.opts.secure ? "wss" : "ws"; 1816 var port = ""; // avoid port if default for schema 1817 1818 if (this.opts.port && ("wss" === schema && Number(this.opts.port) !== 443 || "ws" === schema && Number(this.opts.port) !== 80)) { 1819 port = ":" + this.opts.port; 1820 } // append timestamp to URI 1821 1822 1823 if (this.opts.timestampRequests) { 1824 query[this.opts.timestampParam] = yeast_1(); 1825 } // communicate binary support capabilities 1826 1827 1828 if (!this.supportsBinary) { 1829 query.b64 = 1; 1830 } 1831 1832 var encodedQuery = parseqs.encode(query); 1833 var ipv6 = this.opts.hostname.indexOf(":") !== -1; 1834 return schema + "://" + (ipv6 ? "[" + this.opts.hostname + "]" : this.opts.hostname) + port + this.opts.path + (encodedQuery.length ? "?" + encodedQuery : ""); 1835 } 1836 /** 1837 * Feature detection for WebSocket. 1838 * 1839 * @return {Boolean} whether this transport is available. 1840 * @api public 1841 */ 1842 1843 }, { 1844 key: "check", 1845 value: function check() { 1846 return !!WebSocket && !("__initialize" in WebSocket && this.name === WS.prototype.name); 1847 } 1848 }]); 1849 1850 return WS; 1851 }(Transport); 1852 1853 var transports = { 1854 websocket: WS, 1855 polling: XHR 1856 }; 1857 1858 var Socket$1 = /*#__PURE__*/function (_Emitter) { 1859 _inherits(Socket, _Emitter); 1860 1861 var _super = _createSuper(Socket); 1862 1863 /** 1864 * Socket constructor. 1865 * 1866 * @param {String|Object} uri or options 1867 * @param {Object} opts - options 1868 * @api public 1869 */ 1870 function Socket(uri) { 1871 var _this; 1872 1873 var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; 1874 1875 _classCallCheck(this, Socket); 1876 1877 _this = _super.call(this); 1878 1879 if (uri && "object" === _typeof(uri)) { 1880 opts = uri; 1881 uri = null; 1882 } 1883 1884 if (uri) { 1885 uri = parseuri(uri); 1886 opts.hostname = uri.host; 1887 opts.secure = uri.protocol === "https" || uri.protocol === "wss"; 1888 opts.port = uri.port; 1889 if (uri.query) opts.query = uri.query; 1890 } else if (opts.host) { 1891 opts.hostname = parseuri(opts.host).host; 1892 } 1893 1894 installTimerFunctions(_assertThisInitialized(_this), opts); 1895 _this.secure = null != opts.secure ? opts.secure : typeof location !== "undefined" && "https:" === location.protocol; 1896 1897 if (opts.hostname && !opts.port) { 1898 // if no port is specified manually, use the protocol default 1899 opts.port = _this.secure ? "443" : "80"; 1900 } 1901 1902 _this.hostname = opts.hostname || (typeof location !== "undefined" ? location.hostname : "localhost"); 1903 _this.port = opts.port || (typeof location !== "undefined" && location.port ? location.port : _this.secure ? "443" : "80"); 1904 _this.transports = opts.transports || ["polling", "websocket"]; 1905 _this.readyState = ""; 1906 _this.writeBuffer = []; 1907 _this.prevBufferLen = 0; 1908 _this.opts = _extends({ 1909 path: "/engine.io", 1910 agent: false, 1911 withCredentials: false, 1912 upgrade: true, 1913 timestampParam: "t", 1914 rememberUpgrade: false, 1915 rejectUnauthorized: true, 1916 perMessageDeflate: { 1917 threshold: 1024 1918 }, 1919 transportOptions: {}, 1920 closeOnBeforeunload: true 1921 }, opts); 1922 _this.opts.path = _this.opts.path.replace(/\/$/, "") + "/"; 1923 1924 if (typeof _this.opts.query === "string") { 1925 _this.opts.query = parseqs.decode(_this.opts.query); 1926 } // set on handshake 1927 1928 1929 _this.id = null; 1930 _this.upgrades = null; 1931 _this.pingInterval = null; 1932 _this.pingTimeout = null; // set on heartbeat 1933 1934 _this.pingTimeoutTimer = null; 1935 1936 if (typeof addEventListener === "function") { 1937 if (_this.opts.closeOnBeforeunload) { 1938 // Firefox closes the connection when the "beforeunload" event is emitted but not Chrome. This event listener 1939 // ensures every browser behaves the same (no "disconnect" event at the Socket.IO level when the page is 1940 // closed/reloaded) 1941 addEventListener("beforeunload", function () { 1942 if (_this.transport) { 1943 // silently close the transport 1944 _this.transport.removeAllListeners(); 1945 1946 _this.transport.close(); 1947 } 1948 }, false); 1949 } 1950 1951 if (_this.hostname !== "localhost") { 1952 _this.offlineEventListener = function () { 1953 _this.onClose("transport close"); 1954 }; 1955 1956 addEventListener("offline", _this.offlineEventListener, false); 1957 } 1958 } 1959 1960 _this.open(); 1961 1962 return _this; 1963 } 1964 /** 1965 * Creates transport of the given type. 1966 * 1967 * @param {String} transport name 1968 * @return {Transport} 1969 * @api private 1970 */ 1971 1972 1973 _createClass(Socket, [{ 1974 key: "createTransport", 1975 value: function createTransport(name) { 1976 var query = clone(this.opts.query); // append engine.io protocol identifier 1977 1978 query.EIO = protocol$1; // transport name 1979 1980 query.transport = name; // session id if we already have one 1981 1982 if (this.id) query.sid = this.id; 1983 1984 var opts = _extends({}, this.opts.transportOptions[name], this.opts, { 1985 query: query, 1986 socket: this, 1987 hostname: this.hostname, 1988 secure: this.secure, 1989 port: this.port 1990 }); 1991 1992 return new transports[name](opts); 1993 } 1994 /** 1995 * Initializes transport to use and starts probe. 1996 * 1997 * @api private 1998 */ 1999 2000 }, { 2001 key: "open", 2002 value: function open() { 2003 var _this2 = this; 2004 2005 var transport; 2006 2007 if (this.opts.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf("websocket") !== -1) { 2008 transport = "websocket"; 2009 } else if (0 === this.transports.length) { 2010 // Emit error on next tick so it can be listened to 2011 this.setTimeoutFn(function () { 2012 _this2.emitReserved("error", "No transports available"); 2013 }, 0); 2014 return; 5599 2015 } else { 5600 throw new Error("invalid payload"); 5601 } 5602 } 5603 5604 debug("decoded %s as %j", str, p); 5605 return p; 5606 } 5607 }, { 5608 key: "destroy", 5609 5610 /** 5611 * Deallocates a parser's resources 5612 */ 5613 value: function destroy() { 5614 if (this.reconstructor) { 5615 this.reconstructor.finishedReconstruction(); 5616 } 5617 } 5618 }], [{ 5619 key: "isPayloadValid", 5620 value: function isPayloadValid(type, payload) { 5621 switch (type) { 5622 case PacketType.CONNECT: 5623 return _typeof(payload) === "object"; 5624 5625 case PacketType.DISCONNECT: 5626 return payload === undefined; 5627 5628 case PacketType.CONNECT_ERROR: 5629 return typeof payload === "string" || _typeof(payload) === "object"; 5630 5631 case PacketType.EVENT: 5632 case PacketType.BINARY_EVENT: 5633 return Array.isArray(payload) && payload.length > 0; 5634 5635 case PacketType.ACK: 5636 case PacketType.BINARY_ACK: 5637 return Array.isArray(payload); 5638 } 5639 } 5640 }]); 5641 5642 return Decoder; 5643 }(Emitter); 5644 5645 exports.Decoder = Decoder; 5646 5647 function tryParse(str) { 5648 try { 5649 return JSON.parse(str); 5650 } catch (e) { 2016 transport = this.transports[0]; 2017 } 2018 2019 this.readyState = "opening"; // Retry with the next transport if the transport is disabled (jsonp: false) 2020 2021 try { 2022 transport = this.createTransport(transport); 2023 } catch (e) { 2024 this.transports.shift(); 2025 this.open(); 2026 return; 2027 } 2028 2029 transport.open(); 2030 this.setTransport(transport); 2031 } 2032 /** 2033 * Sets the current transport. Disables the existing one (if any). 2034 * 2035 * @api private 2036 */ 2037 2038 }, { 2039 key: "setTransport", 2040 value: function setTransport(transport) { 2041 var _this3 = this; 2042 2043 if (this.transport) { 2044 this.transport.removeAllListeners(); 2045 } // set up transport 2046 2047 2048 this.transport = transport; // set up transport listeners 2049 2050 transport.on("drain", this.onDrain.bind(this)).on("packet", this.onPacket.bind(this)).on("error", this.onError.bind(this)).on("close", function () { 2051 _this3.onClose("transport close"); 2052 }); 2053 } 2054 /** 2055 * Probes a transport. 2056 * 2057 * @param {String} transport name 2058 * @api private 2059 */ 2060 2061 }, { 2062 key: "probe", 2063 value: function probe(name) { 2064 var _this4 = this; 2065 2066 var transport = this.createTransport(name); 2067 var failed = false; 2068 Socket.priorWebsocketSuccess = false; 2069 2070 var onTransportOpen = function onTransportOpen() { 2071 if (failed) return; 2072 transport.send([{ 2073 type: "ping", 2074 data: "probe" 2075 }]); 2076 transport.once("packet", function (msg) { 2077 if (failed) return; 2078 2079 if ("pong" === msg.type && "probe" === msg.data) { 2080 _this4.upgrading = true; 2081 2082 _this4.emitReserved("upgrading", transport); 2083 2084 if (!transport) return; 2085 Socket.priorWebsocketSuccess = "websocket" === transport.name; 2086 2087 _this4.transport.pause(function () { 2088 if (failed) return; 2089 if ("closed" === _this4.readyState) return; 2090 cleanup(); 2091 2092 _this4.setTransport(transport); 2093 2094 transport.send([{ 2095 type: "upgrade" 2096 }]); 2097 2098 _this4.emitReserved("upgrade", transport); 2099 2100 transport = null; 2101 _this4.upgrading = false; 2102 2103 _this4.flush(); 2104 }); 2105 } else { 2106 var err = new Error("probe error"); // @ts-ignore 2107 2108 err.transport = transport.name; 2109 2110 _this4.emitReserved("upgradeError", err); 2111 } 2112 }); 2113 }; 2114 2115 function freezeTransport() { 2116 if (failed) return; // Any callback called by transport should be ignored since now 2117 2118 failed = true; 2119 cleanup(); 2120 transport.close(); 2121 transport = null; 2122 } // Handle any error that happens while probing 2123 2124 2125 var onerror = function onerror(err) { 2126 var error = new Error("probe error: " + err); // @ts-ignore 2127 2128 error.transport = transport.name; 2129 freezeTransport(); 2130 2131 _this4.emitReserved("upgradeError", error); 2132 }; 2133 2134 function onTransportClose() { 2135 onerror("transport closed"); 2136 } // When the socket is closed while we're probing 2137 2138 2139 function onclose() { 2140 onerror("socket closed"); 2141 } // When the socket is upgraded while we're probing 2142 2143 2144 function onupgrade(to) { 2145 if (transport && to.name !== transport.name) { 2146 freezeTransport(); 2147 } 2148 } // Remove all listeners on the transport and on self 2149 2150 2151 var cleanup = function cleanup() { 2152 transport.removeListener("open", onTransportOpen); 2153 transport.removeListener("error", onerror); 2154 transport.removeListener("close", onTransportClose); 2155 2156 _this4.off("close", onclose); 2157 2158 _this4.off("upgrading", onupgrade); 2159 }; 2160 2161 transport.once("open", onTransportOpen); 2162 transport.once("error", onerror); 2163 transport.once("close", onTransportClose); 2164 this.once("close", onclose); 2165 this.once("upgrading", onupgrade); 2166 transport.open(); 2167 } 2168 /** 2169 * Called when connection is deemed open. 2170 * 2171 * @api private 2172 */ 2173 2174 }, { 2175 key: "onOpen", 2176 value: function onOpen() { 2177 this.readyState = "open"; 2178 Socket.priorWebsocketSuccess = "websocket" === this.transport.name; 2179 this.emitReserved("open"); 2180 this.flush(); // we check for `readyState` in case an `open` 2181 // listener already closed the socket 2182 2183 if ("open" === this.readyState && this.opts.upgrade && this.transport.pause) { 2184 var i = 0; 2185 var l = this.upgrades.length; 2186 2187 for (; i < l; i++) { 2188 this.probe(this.upgrades[i]); 2189 } 2190 } 2191 } 2192 /** 2193 * Handles a packet. 2194 * 2195 * @api private 2196 */ 2197 2198 }, { 2199 key: "onPacket", 2200 value: function onPacket(packet) { 2201 if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) { 2202 this.emitReserved("packet", packet); // Socket is live - any packet counts 2203 2204 this.emitReserved("heartbeat"); 2205 2206 switch (packet.type) { 2207 case "open": 2208 this.onHandshake(JSON.parse(packet.data)); 2209 break; 2210 2211 case "ping": 2212 this.resetPingTimeout(); 2213 this.sendPacket("pong"); 2214 this.emitReserved("ping"); 2215 this.emitReserved("pong"); 2216 break; 2217 2218 case "error": 2219 var err = new Error("server error"); // @ts-ignore 2220 2221 err.code = packet.data; 2222 this.onError(err); 2223 break; 2224 2225 case "message": 2226 this.emitReserved("data", packet.data); 2227 this.emitReserved("message", packet.data); 2228 break; 2229 } 2230 } 2231 } 2232 /** 2233 * Called upon handshake completion. 2234 * 2235 * @param {Object} data - handshake obj 2236 * @api private 2237 */ 2238 2239 }, { 2240 key: "onHandshake", 2241 value: function onHandshake(data) { 2242 this.emitReserved("handshake", data); 2243 this.id = data.sid; 2244 this.transport.query.sid = data.sid; 2245 this.upgrades = this.filterUpgrades(data.upgrades); 2246 this.pingInterval = data.pingInterval; 2247 this.pingTimeout = data.pingTimeout; 2248 this.onOpen(); // In case open handler closes socket 2249 2250 if ("closed" === this.readyState) return; 2251 this.resetPingTimeout(); 2252 } 2253 /** 2254 * Sets and resets ping timeout timer based on server pings. 2255 * 2256 * @api private 2257 */ 2258 2259 }, { 2260 key: "resetPingTimeout", 2261 value: function resetPingTimeout() { 2262 var _this5 = this; 2263 2264 this.clearTimeoutFn(this.pingTimeoutTimer); 2265 this.pingTimeoutTimer = this.setTimeoutFn(function () { 2266 _this5.onClose("ping timeout"); 2267 }, this.pingInterval + this.pingTimeout); 2268 2269 if (this.opts.autoUnref) { 2270 this.pingTimeoutTimer.unref(); 2271 } 2272 } 2273 /** 2274 * Called on `drain` event 2275 * 2276 * @api private 2277 */ 2278 2279 }, { 2280 key: "onDrain", 2281 value: function onDrain() { 2282 this.writeBuffer.splice(0, this.prevBufferLen); // setting prevBufferLen = 0 is very important 2283 // for example, when upgrading, upgrade packet is sent over, 2284 // and a nonzero prevBufferLen could cause problems on `drain` 2285 2286 this.prevBufferLen = 0; 2287 2288 if (0 === this.writeBuffer.length) { 2289 this.emitReserved("drain"); 2290 } else { 2291 this.flush(); 2292 } 2293 } 2294 /** 2295 * Flush write buffers. 2296 * 2297 * @api private 2298 */ 2299 2300 }, { 2301 key: "flush", 2302 value: function flush() { 2303 if ("closed" !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) { 2304 this.transport.send(this.writeBuffer); // keep track of current length of writeBuffer 2305 // splice writeBuffer and callbackBuffer on `drain` 2306 2307 this.prevBufferLen = this.writeBuffer.length; 2308 this.emitReserved("flush"); 2309 } 2310 } 2311 /** 2312 * Sends a message. 2313 * 2314 * @param {String} message. 2315 * @param {Function} callback function. 2316 * @param {Object} options. 2317 * @return {Socket} for chaining. 2318 * @api public 2319 */ 2320 2321 }, { 2322 key: "write", 2323 value: function write(msg, options, fn) { 2324 this.sendPacket("message", msg, options, fn); 2325 return this; 2326 } 2327 }, { 2328 key: "send", 2329 value: function send(msg, options, fn) { 2330 this.sendPacket("message", msg, options, fn); 2331 return this; 2332 } 2333 /** 2334 * Sends a packet. 2335 * 2336 * @param {String} packet type. 2337 * @param {String} data. 2338 * @param {Object} options. 2339 * @param {Function} callback function. 2340 * @api private 2341 */ 2342 2343 }, { 2344 key: "sendPacket", 2345 value: function sendPacket(type, data, options, fn) { 2346 if ("function" === typeof data) { 2347 fn = data; 2348 data = undefined; 2349 } 2350 2351 if ("function" === typeof options) { 2352 fn = options; 2353 options = null; 2354 } 2355 2356 if ("closing" === this.readyState || "closed" === this.readyState) { 2357 return; 2358 } 2359 2360 options = options || {}; 2361 options.compress = false !== options.compress; 2362 var packet = { 2363 type: type, 2364 data: data, 2365 options: options 2366 }; 2367 this.emitReserved("packetCreate", packet); 2368 this.writeBuffer.push(packet); 2369 if (fn) this.once("flush", fn); 2370 this.flush(); 2371 } 2372 /** 2373 * Closes the connection. 2374 * 2375 * @api public 2376 */ 2377 2378 }, { 2379 key: "close", 2380 value: function close() { 2381 var _this6 = this; 2382 2383 var close = function close() { 2384 _this6.onClose("forced close"); 2385 2386 _this6.transport.close(); 2387 }; 2388 2389 var cleanupAndClose = function cleanupAndClose() { 2390 _this6.off("upgrade", cleanupAndClose); 2391 2392 _this6.off("upgradeError", cleanupAndClose); 2393 2394 close(); 2395 }; 2396 2397 var waitForUpgrade = function waitForUpgrade() { 2398 // wait for upgrade to finish since we can't send packets while pausing a transport 2399 _this6.once("upgrade", cleanupAndClose); 2400 2401 _this6.once("upgradeError", cleanupAndClose); 2402 }; 2403 2404 if ("opening" === this.readyState || "open" === this.readyState) { 2405 this.readyState = "closing"; 2406 2407 if (this.writeBuffer.length) { 2408 this.once("drain", function () { 2409 if (_this6.upgrading) { 2410 waitForUpgrade(); 2411 } else { 2412 close(); 2413 } 2414 }); 2415 } else if (this.upgrading) { 2416 waitForUpgrade(); 2417 } else { 2418 close(); 2419 } 2420 } 2421 2422 return this; 2423 } 2424 /** 2425 * Called upon transport error 2426 * 2427 * @api private 2428 */ 2429 2430 }, { 2431 key: "onError", 2432 value: function onError(err) { 2433 Socket.priorWebsocketSuccess = false; 2434 this.emitReserved("error", err); 2435 this.onClose("transport error", err); 2436 } 2437 /** 2438 * Called upon transport close. 2439 * 2440 * @api private 2441 */ 2442 2443 }, { 2444 key: "onClose", 2445 value: function onClose(reason, desc) { 2446 if ("opening" === this.readyState || "open" === this.readyState || "closing" === this.readyState) { 2447 // clear timers 2448 this.clearTimeoutFn(this.pingTimeoutTimer); // stop event from firing again for transport 2449 2450 this.transport.removeAllListeners("close"); // ensure transport won't stay open 2451 2452 this.transport.close(); // ignore further transport communication 2453 2454 this.transport.removeAllListeners(); 2455 2456 if (typeof removeEventListener === "function") { 2457 removeEventListener("offline", this.offlineEventListener, false); 2458 } // set ready state 2459 2460 2461 this.readyState = "closed"; // clear session id 2462 2463 this.id = null; // emit close event 2464 2465 this.emitReserved("close", reason, desc); // clean buffers after, so users can still 2466 // grab the buffers on `close` event 2467 2468 this.writeBuffer = []; 2469 this.prevBufferLen = 0; 2470 } 2471 } 2472 /** 2473 * Filters upgrades, returning only those matching client transports. 2474 * 2475 * @param {Array} server upgrades 2476 * @api private 2477 * 2478 */ 2479 2480 }, { 2481 key: "filterUpgrades", 2482 value: function filterUpgrades(upgrades) { 2483 var filteredUpgrades = []; 2484 var i = 0; 2485 var j = upgrades.length; 2486 2487 for (; i < j; i++) { 2488 if (~this.transports.indexOf(upgrades[i])) filteredUpgrades.push(upgrades[i]); 2489 } 2490 2491 return filteredUpgrades; 2492 } 2493 }]); 2494 2495 return Socket; 2496 }(Emitter_1); 2497 Socket$1.protocol = protocol$1; 2498 2499 function clone(obj) { 2500 var o = {}; 2501 2502 for (var i in obj) { 2503 if (obj.hasOwnProperty(i)) { 2504 o[i] = obj[i]; 2505 } 2506 } 2507 2508 return o; 2509 } 2510 2511 var withNativeArrayBuffer = typeof ArrayBuffer === "function"; 2512 2513 var isView = function isView(obj) { 2514 return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj.buffer instanceof ArrayBuffer; 2515 }; 2516 2517 var toString = Object.prototype.toString; 2518 var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && toString.call(Blob) === "[object BlobConstructor]"; 2519 var withNativeFile = typeof File === "function" || typeof File !== "undefined" && toString.call(File) === "[object FileConstructor]"; 2520 /** 2521 * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. 2522 * 2523 * @private 2524 */ 2525 2526 function isBinary(obj) { 2527 return withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)) || withNativeBlob && obj instanceof Blob || withNativeFile && obj instanceof File; 2528 } 2529 function hasBinary(obj, toJSON) { 2530 if (!obj || _typeof(obj) !== "object") { 2531 return false; 2532 } 2533 2534 if (Array.isArray(obj)) { 2535 for (var i = 0, l = obj.length; i < l; i++) { 2536 if (hasBinary(obj[i])) { 2537 return true; 2538 } 2539 } 2540 2541 return false; 2542 } 2543 2544 if (isBinary(obj)) { 2545 return true; 2546 } 2547 2548 if (obj.toJSON && typeof obj.toJSON === "function" && arguments.length === 1) { 2549 return hasBinary(obj.toJSON(), true); 2550 } 2551 2552 for (var key in obj) { 2553 if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { 2554 return true; 2555 } 2556 } 2557 5651 2558 return false; 5652 2559 } 5653 } 5654 /** 5655 * A manager of a binary event's 'buffer sequence'. Should 5656 * be constructed whenever a packet of type BINARY_EVENT is 5657 * decoded. 5658 * 5659 * @param {Object} packet 5660 * @return {BinaryReconstructor} initialized reconstructor 5661 */ 5662 5663 5664 var BinaryReconstructor = /*#__PURE__*/function () { 5665 function BinaryReconstructor(packet) { 5666 _classCallCheck(this, BinaryReconstructor); 5667 5668 this.packet = packet; 5669 this.buffers = []; 5670 this.reconPack = packet; 2560 2561 /** 2562 * Replaces every Buffer | ArrayBuffer | Blob | File in packet with a numbered placeholder. 2563 * 2564 * @param {Object} packet - socket.io event packet 2565 * @return {Object} with deconstructed packet and list of buffers 2566 * @public 2567 */ 2568 2569 function deconstructPacket(packet) { 2570 var buffers = []; 2571 var packetData = packet.data; 2572 var pack = packet; 2573 pack.data = _deconstructPacket(packetData, buffers); 2574 pack.attachments = buffers.length; // number of binary 'attachments' 2575 2576 return { 2577 packet: pack, 2578 buffers: buffers 2579 }; 2580 } 2581 2582 function _deconstructPacket(data, buffers) { 2583 if (!data) return data; 2584 2585 if (isBinary(data)) { 2586 var placeholder = { 2587 _placeholder: true, 2588 num: buffers.length 2589 }; 2590 buffers.push(data); 2591 return placeholder; 2592 } else if (Array.isArray(data)) { 2593 var newData = new Array(data.length); 2594 2595 for (var i = 0; i < data.length; i++) { 2596 newData[i] = _deconstructPacket(data[i], buffers); 2597 } 2598 2599 return newData; 2600 } else if (_typeof(data) === "object" && !(data instanceof Date)) { 2601 var _newData = {}; 2602 2603 for (var key in data) { 2604 if (data.hasOwnProperty(key)) { 2605 _newData[key] = _deconstructPacket(data[key], buffers); 2606 } 2607 } 2608 2609 return _newData; 2610 } 2611 2612 return data; 5671 2613 } 5672 2614 /** 5673 * Method to be called when binary data received from connection 5674 * after a BINARY_EVENT packet. 2615 * Reconstructs a binary packet from its placeholder packet and buffers 5675 2616 * 5676 * @param {Buffer | ArrayBuffer} binData - the raw binary data received 5677 * @return {null | Object} returns null if more binary data is expected or 5678 * a reconstructed packet object if all buffers have been received. 2617 * @param {Object} packet - event packet with placeholders 2618 * @param {Array} buffers - binary buffers to put in placeholder positions 2619 * @return {Object} reconstructed packet 2620 * @public 5679 2621 */ 5680 2622 5681 2623 5682 _createClass(BinaryReconstructor, [{ 5683 key: "takeBinaryData", 5684 value: function takeBinaryData(binData) { 5685 this.buffers.push(binData); 5686 5687 if (this.buffers.length === this.reconPack.attachments) { 5688 // done with buffer list 5689 var packet = binary_1.reconstructPacket(this.reconPack, this.buffers); 5690 this.finishedReconstruction(); 5691 return packet; 5692 } 5693 5694 return null; 2624 function reconstructPacket(packet, buffers) { 2625 packet.data = _reconstructPacket(packet.data, buffers); 2626 packet.attachments = undefined; // no longer useful 2627 2628 return packet; 2629 } 2630 2631 function _reconstructPacket(data, buffers) { 2632 if (!data) return data; 2633 2634 if (data && data._placeholder) { 2635 return buffers[data.num]; // appropriate buffer (should be natural order anyway) 2636 } else if (Array.isArray(data)) { 2637 for (var i = 0; i < data.length; i++) { 2638 data[i] = _reconstructPacket(data[i], buffers); 2639 } 2640 } else if (_typeof(data) === "object") { 2641 for (var key in data) { 2642 if (data.hasOwnProperty(key)) { 2643 data[key] = _reconstructPacket(data[key], buffers); 2644 } 2645 } 2646 } 2647 2648 return data; 2649 } 2650 2651 /** 2652 * Protocol version. 2653 * 2654 * @public 2655 */ 2656 2657 var protocol = 5; 2658 var PacketType; 2659 2660 (function (PacketType) { 2661 PacketType[PacketType["CONNECT"] = 0] = "CONNECT"; 2662 PacketType[PacketType["DISCONNECT"] = 1] = "DISCONNECT"; 2663 PacketType[PacketType["EVENT"] = 2] = "EVENT"; 2664 PacketType[PacketType["ACK"] = 3] = "ACK"; 2665 PacketType[PacketType["CONNECT_ERROR"] = 4] = "CONNECT_ERROR"; 2666 PacketType[PacketType["BINARY_EVENT"] = 5] = "BINARY_EVENT"; 2667 PacketType[PacketType["BINARY_ACK"] = 6] = "BINARY_ACK"; 2668 })(PacketType || (PacketType = {})); 2669 /** 2670 * A socket.io Encoder instance 2671 */ 2672 2673 2674 var Encoder = /*#__PURE__*/function () { 2675 function Encoder() { 2676 _classCallCheck(this, Encoder); 2677 } 2678 2679 _createClass(Encoder, [{ 2680 key: "encode", 2681 value: 2682 /** 2683 * Encode a packet as a single string if non-binary, or as a 2684 * buffer sequence, depending on packet type. 2685 * 2686 * @param {Object} obj - packet object 2687 */ 2688 function encode(obj) { 2689 if (obj.type === PacketType.EVENT || obj.type === PacketType.ACK) { 2690 if (hasBinary(obj)) { 2691 obj.type = obj.type === PacketType.EVENT ? PacketType.BINARY_EVENT : PacketType.BINARY_ACK; 2692 return this.encodeAsBinary(obj); 2693 } 2694 } 2695 2696 return [this.encodeAsString(obj)]; 2697 } 2698 /** 2699 * Encode packet as string. 2700 */ 2701 2702 }, { 2703 key: "encodeAsString", 2704 value: function encodeAsString(obj) { 2705 // first is type 2706 var str = "" + obj.type; // attachments if we have them 2707 2708 if (obj.type === PacketType.BINARY_EVENT || obj.type === PacketType.BINARY_ACK) { 2709 str += obj.attachments + "-"; 2710 } // if we have a namespace other than `/` 2711 // we append it followed by a comma `,` 2712 2713 2714 if (obj.nsp && "/" !== obj.nsp) { 2715 str += obj.nsp + ","; 2716 } // immediately followed by the id 2717 2718 2719 if (null != obj.id) { 2720 str += obj.id; 2721 } // json data 2722 2723 2724 if (null != obj.data) { 2725 str += JSON.stringify(obj.data); 2726 } 2727 2728 return str; 2729 } 2730 /** 2731 * Encode packet as 'buffer sequence' by removing blobs, and 2732 * deconstructing packet into object with placeholders and 2733 * a list of buffers. 2734 */ 2735 2736 }, { 2737 key: "encodeAsBinary", 2738 value: function encodeAsBinary(obj) { 2739 var deconstruction = deconstructPacket(obj); 2740 var pack = this.encodeAsString(deconstruction.packet); 2741 var buffers = deconstruction.buffers; 2742 buffers.unshift(pack); // add packet info to beginning of data list 2743 2744 return buffers; // write all the buffers 2745 } 2746 }]); 2747 2748 return Encoder; 2749 }(); 2750 /** 2751 * A socket.io Decoder instance 2752 * 2753 * @return {Object} decoder 2754 */ 2755 2756 var Decoder = /*#__PURE__*/function (_Emitter) { 2757 _inherits(Decoder, _Emitter); 2758 2759 var _super = _createSuper(Decoder); 2760 2761 function Decoder() { 2762 _classCallCheck(this, Decoder); 2763 2764 return _super.call(this); 5695 2765 } 5696 2766 /** 5697 * Cleans up binary packet reconstruction variables. 2767 * Decodes an encoded packet string into packet JSON. 2768 * 2769 * @param {String} obj - encoded packet 5698 2770 */ 5699 2771 5700 }, { 5701 key: "finishedReconstruction", 5702 value: function finishedReconstruction() { 5703 this.reconPack = null; 2772 2773 _createClass(Decoder, [{ 2774 key: "add", 2775 value: function add(obj) { 2776 var packet; 2777 2778 if (typeof obj === "string") { 2779 packet = this.decodeString(obj); 2780 2781 if (packet.type === PacketType.BINARY_EVENT || packet.type === PacketType.BINARY_ACK) { 2782 // binary packet's json 2783 this.reconstructor = new BinaryReconstructor(packet); // no attachments, labeled binary but no binary data to follow 2784 2785 if (packet.attachments === 0) { 2786 _get(_getPrototypeOf(Decoder.prototype), "emitReserved", this).call(this, "decoded", packet); 2787 } 2788 } else { 2789 // non-binary full packet 2790 _get(_getPrototypeOf(Decoder.prototype), "emitReserved", this).call(this, "decoded", packet); 2791 } 2792 } else if (isBinary(obj) || obj.base64) { 2793 // raw binary data 2794 if (!this.reconstructor) { 2795 throw new Error("got binary data when not reconstructing a packet"); 2796 } else { 2797 packet = this.reconstructor.takeBinaryData(obj); 2798 2799 if (packet) { 2800 // received final buffer 2801 this.reconstructor = null; 2802 2803 _get(_getPrototypeOf(Decoder.prototype), "emitReserved", this).call(this, "decoded", packet); 2804 } 2805 } 2806 } else { 2807 throw new Error("Unknown type: " + obj); 2808 } 2809 } 2810 /** 2811 * Decode a packet String (JSON data) 2812 * 2813 * @param {String} str 2814 * @return {Object} packet 2815 */ 2816 2817 }, { 2818 key: "decodeString", 2819 value: function decodeString(str) { 2820 var i = 0; // look up type 2821 2822 var p = { 2823 type: Number(str.charAt(0)) 2824 }; 2825 2826 if (PacketType[p.type] === undefined) { 2827 throw new Error("unknown packet type " + p.type); 2828 } // look up attachments if type binary 2829 2830 2831 if (p.type === PacketType.BINARY_EVENT || p.type === PacketType.BINARY_ACK) { 2832 var start = i + 1; 2833 2834 while (str.charAt(++i) !== "-" && i != str.length) {} 2835 2836 var buf = str.substring(start, i); 2837 2838 if (buf != Number(buf) || str.charAt(i) !== "-") { 2839 throw new Error("Illegal attachments"); 2840 } 2841 2842 p.attachments = Number(buf); 2843 } // look up namespace (if any) 2844 2845 2846 if ("/" === str.charAt(i + 1)) { 2847 var _start = i + 1; 2848 2849 while (++i) { 2850 var c = str.charAt(i); 2851 if ("," === c) break; 2852 if (i === str.length) break; 2853 } 2854 2855 p.nsp = str.substring(_start, i); 2856 } else { 2857 p.nsp = "/"; 2858 } // look up id 2859 2860 2861 var next = str.charAt(i + 1); 2862 2863 if ("" !== next && Number(next) == next) { 2864 var _start2 = i + 1; 2865 2866 while (++i) { 2867 var _c = str.charAt(i); 2868 2869 if (null == _c || Number(_c) != _c) { 2870 --i; 2871 break; 2872 } 2873 2874 if (i === str.length) break; 2875 } 2876 2877 p.id = Number(str.substring(_start2, i + 1)); 2878 } // look up json data 2879 2880 2881 if (str.charAt(++i)) { 2882 var payload = tryParse(str.substr(i)); 2883 2884 if (Decoder.isPayloadValid(p.type, payload)) { 2885 p.data = payload; 2886 } else { 2887 throw new Error("invalid payload"); 2888 } 2889 } 2890 2891 return p; 2892 } 2893 }, { 2894 key: "destroy", 2895 value: 2896 /** 2897 * Deallocates a parser's resources 2898 */ 2899 function destroy() { 2900 if (this.reconstructor) { 2901 this.reconstructor.finishedReconstruction(); 2902 } 2903 } 2904 }], [{ 2905 key: "isPayloadValid", 2906 value: function isPayloadValid(type, payload) { 2907 switch (type) { 2908 case PacketType.CONNECT: 2909 return _typeof(payload) === "object"; 2910 2911 case PacketType.DISCONNECT: 2912 return payload === undefined; 2913 2914 case PacketType.CONNECT_ERROR: 2915 return typeof payload === "string" || _typeof(payload) === "object"; 2916 2917 case PacketType.EVENT: 2918 case PacketType.BINARY_EVENT: 2919 return Array.isArray(payload) && payload.length > 0; 2920 2921 case PacketType.ACK: 2922 case PacketType.BINARY_ACK: 2923 return Array.isArray(payload); 2924 } 2925 } 2926 }]); 2927 2928 return Decoder; 2929 }(Emitter_1); 2930 2931 function tryParse(str) { 2932 try { 2933 return JSON.parse(str); 2934 } catch (e) { 2935 return false; 2936 } 2937 } 2938 /** 2939 * A manager of a binary event's 'buffer sequence'. Should 2940 * be constructed whenever a packet of type BINARY_EVENT is 2941 * decoded. 2942 * 2943 * @param {Object} packet 2944 * @return {BinaryReconstructor} initialized reconstructor 2945 */ 2946 2947 2948 var BinaryReconstructor = /*#__PURE__*/function () { 2949 function BinaryReconstructor(packet) { 2950 _classCallCheck(this, BinaryReconstructor); 2951 2952 this.packet = packet; 5704 2953 this.buffers = []; 5705 } 5706 }]); 5707 5708 return BinaryReconstructor; 5709 }(); 5710 5711 /***/ }), 5712 5713 /***/ "./node_modules/socket.io-parser/dist/is-binary.js": 5714 /*!*********************************************************!*\ 5715 !*** ./node_modules/socket.io-parser/dist/is-binary.js ***! 5716 \*********************************************************/ 5717 /*! no static exports found */ 5718 /***/ (function(module, exports, __webpack_require__) { 5719 5720 "use strict"; 5721 5722 5723 function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } 5724 5725 Object.defineProperty(exports, "__esModule", { 5726 value: true 5727 }); 5728 exports.hasBinary = exports.isBinary = void 0; 5729 var withNativeArrayBuffer = typeof ArrayBuffer === "function"; 5730 5731 var isView = function isView(obj) { 5732 return typeof ArrayBuffer.isView === "function" ? ArrayBuffer.isView(obj) : obj.buffer instanceof ArrayBuffer; 5733 }; 5734 5735 var toString = Object.prototype.toString; 5736 var withNativeBlob = typeof Blob === "function" || typeof Blob !== "undefined" && toString.call(Blob) === "[object BlobConstructor]"; 5737 var withNativeFile = typeof File === "function" || typeof File !== "undefined" && toString.call(File) === "[object FileConstructor]"; 5738 /** 5739 * Returns true if obj is a Buffer, an ArrayBuffer, a Blob or a File. 5740 * 5741 * @private 5742 */ 5743 5744 function isBinary(obj) { 5745 return withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)) || withNativeBlob && obj instanceof Blob || withNativeFile && obj instanceof File; 5746 } 5747 5748 exports.isBinary = isBinary; 5749 5750 function hasBinary(obj, toJSON) { 5751 if (!obj || _typeof(obj) !== "object") { 5752 return false; 2954 this.reconPack = packet; 2955 } 2956 /** 2957 * Method to be called when binary data received from connection 2958 * after a BINARY_EVENT packet. 2959 * 2960 * @param {Buffer | ArrayBuffer} binData - the raw binary data received 2961 * @return {null | Object} returns null if more binary data is expected or 2962 * a reconstructed packet object if all buffers have been received. 2963 */ 2964 2965 2966 _createClass(BinaryReconstructor, [{ 2967 key: "takeBinaryData", 2968 value: function takeBinaryData(binData) { 2969 this.buffers.push(binData); 2970 2971 if (this.buffers.length === this.reconPack.attachments) { 2972 // done with buffer list 2973 var packet = reconstructPacket(this.reconPack, this.buffers); 2974 this.finishedReconstruction(); 2975 return packet; 2976 } 2977 2978 return null; 2979 } 2980 /** 2981 * Cleans up binary packet reconstruction variables. 2982 */ 2983 2984 }, { 2985 key: "finishedReconstruction", 2986 value: function finishedReconstruction() { 2987 this.reconPack = null; 2988 this.buffers = []; 2989 } 2990 }]); 2991 2992 return BinaryReconstructor; 2993 }(); 2994 2995 var parser = /*#__PURE__*/Object.freeze({ 2996 __proto__: null, 2997 protocol: protocol, 2998 get PacketType () { return PacketType; }, 2999 Encoder: Encoder, 3000 Decoder: Decoder 3001 }); 3002 3003 function on(obj, ev, fn) { 3004 obj.on(ev, fn); 3005 return function subDestroy() { 3006 obj.off(ev, fn); 3007 }; 5753 3008 } 5754 3009 5755 if (Array.isArray(obj)) { 5756 for (var i = 0, l = obj.length; i < l; i++) { 5757 if (hasBinary(obj[i])) { 5758 return true; 5759 } 5760 } 5761 5762 return false; 3010 /** 3011 * Internal events. 3012 * These events can't be emitted by the user. 3013 */ 3014 3015 var RESERVED_EVENTS = Object.freeze({ 3016 connect: 1, 3017 connect_error: 1, 3018 disconnect: 1, 3019 disconnecting: 1, 3020 // EventEmitter reserved events: https://nodejs.org/api/events.html#events_event_newlistener 3021 newListener: 1, 3022 removeListener: 1 3023 }); 3024 var Socket = /*#__PURE__*/function (_Emitter) { 3025 _inherits(Socket, _Emitter); 3026 3027 var _super = _createSuper(Socket); 3028 3029 /** 3030 * `Socket` constructor. 3031 * 3032 * @public 3033 */ 3034 function Socket(io, nsp, opts) { 3035 var _this; 3036 3037 _classCallCheck(this, Socket); 3038 3039 _this = _super.call(this); 3040 _this.connected = false; 3041 _this.disconnected = true; 3042 _this.receiveBuffer = []; 3043 _this.sendBuffer = []; 3044 _this.ids = 0; 3045 _this.acks = {}; 3046 _this.flags = {}; 3047 _this.io = io; 3048 _this.nsp = nsp; 3049 3050 if (opts && opts.auth) { 3051 _this.auth = opts.auth; 3052 } 3053 3054 if (_this.io._autoConnect) _this.open(); 3055 return _this; 3056 } 3057 /** 3058 * Subscribe to open, close and packet events 3059 * 3060 * @private 3061 */ 3062 3063 3064 _createClass(Socket, [{ 3065 key: "subEvents", 3066 value: function subEvents() { 3067 if (this.subs) return; 3068 var io = this.io; 3069 this.subs = [on(io, "open", this.onopen.bind(this)), on(io, "packet", this.onpacket.bind(this)), on(io, "error", this.onerror.bind(this)), on(io, "close", this.onclose.bind(this))]; 3070 } 3071 /** 3072 * Whether the Socket will try to reconnect when its Manager connects or reconnects 3073 */ 3074 3075 }, { 3076 key: "active", 3077 get: function get() { 3078 return !!this.subs; 3079 } 3080 /** 3081 * "Opens" the socket. 3082 * 3083 * @public 3084 */ 3085 3086 }, { 3087 key: "connect", 3088 value: function connect() { 3089 if (this.connected) return this; 3090 this.subEvents(); 3091 if (!this.io["_reconnecting"]) this.io.open(); // ensure open 3092 3093 if ("open" === this.io._readyState) this.onopen(); 3094 return this; 3095 } 3096 /** 3097 * Alias for connect() 3098 */ 3099 3100 }, { 3101 key: "open", 3102 value: function open() { 3103 return this.connect(); 3104 } 3105 /** 3106 * Sends a `message` event. 3107 * 3108 * @return self 3109 * @public 3110 */ 3111 3112 }, { 3113 key: "send", 3114 value: function send() { 3115 for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { 3116 args[_key] = arguments[_key]; 3117 } 3118 3119 args.unshift("message"); 3120 this.emit.apply(this, args); 3121 return this; 3122 } 3123 /** 3124 * Override `emit`. 3125 * If the event is in `events`, it's emitted normally. 3126 * 3127 * @return self 3128 * @public 3129 */ 3130 3131 }, { 3132 key: "emit", 3133 value: function emit(ev) { 3134 if (RESERVED_EVENTS.hasOwnProperty(ev)) { 3135 throw new Error('"' + ev + '" is a reserved event name'); 3136 } 3137 3138 for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { 3139 args[_key2 - 1] = arguments[_key2]; 3140 } 3141 3142 args.unshift(ev); 3143 var packet = { 3144 type: PacketType.EVENT, 3145 data: args 3146 }; 3147 packet.options = {}; 3148 packet.options.compress = this.flags.compress !== false; // event ack callback 3149 3150 if ("function" === typeof args[args.length - 1]) { 3151 var id = this.ids++; 3152 var ack = args.pop(); 3153 3154 this._registerAckCallback(id, ack); 3155 3156 packet.id = id; 3157 } 3158 3159 var isTransportWritable = this.io.engine && this.io.engine.transport && this.io.engine.transport.writable; 3160 var discardPacket = this.flags["volatile"] && (!isTransportWritable || !this.connected); 3161 3162 if (discardPacket) ; else if (this.connected) { 3163 this.packet(packet); 3164 } else { 3165 this.sendBuffer.push(packet); 3166 } 3167 3168 this.flags = {}; 3169 return this; 3170 } 3171 /** 3172 * @private 3173 */ 3174 3175 }, { 3176 key: "_registerAckCallback", 3177 value: function _registerAckCallback(id, ack) { 3178 var _this2 = this; 3179 3180 var timeout = this.flags.timeout; 3181 3182 if (timeout === undefined) { 3183 this.acks[id] = ack; 3184 return; 3185 } // @ts-ignore 3186 3187 3188 var timer = this.io.setTimeoutFn(function () { 3189 delete _this2.acks[id]; 3190 3191 for (var i = 0; i < _this2.sendBuffer.length; i++) { 3192 if (_this2.sendBuffer[i].id === id) { 3193 _this2.sendBuffer.splice(i, 1); 3194 } 3195 } 3196 3197 ack.call(_this2, new Error("operation has timed out")); 3198 }, timeout); 3199 3200 this.acks[id] = function () { 3201 // @ts-ignore 3202 _this2.io.clearTimeoutFn(timer); 3203 3204 for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { 3205 args[_key3] = arguments[_key3]; 3206 } 3207 3208 ack.apply(_this2, [null].concat(args)); 3209 }; 3210 } 3211 /** 3212 * Sends a packet. 3213 * 3214 * @param packet 3215 * @private 3216 */ 3217 3218 }, { 3219 key: "packet", 3220 value: function packet(_packet) { 3221 _packet.nsp = this.nsp; 3222 3223 this.io._packet(_packet); 3224 } 3225 /** 3226 * Called upon engine `open`. 3227 * 3228 * @private 3229 */ 3230 3231 }, { 3232 key: "onopen", 3233 value: function onopen() { 3234 var _this3 = this; 3235 3236 if (typeof this.auth == "function") { 3237 this.auth(function (data) { 3238 _this3.packet({ 3239 type: PacketType.CONNECT, 3240 data: data 3241 }); 3242 }); 3243 } else { 3244 this.packet({ 3245 type: PacketType.CONNECT, 3246 data: this.auth 3247 }); 3248 } 3249 } 3250 /** 3251 * Called upon engine or manager `error`. 3252 * 3253 * @param err 3254 * @private 3255 */ 3256 3257 }, { 3258 key: "onerror", 3259 value: function onerror(err) { 3260 if (!this.connected) { 3261 this.emitReserved("connect_error", err); 3262 } 3263 } 3264 /** 3265 * Called upon engine `close`. 3266 * 3267 * @param reason 3268 * @private 3269 */ 3270 3271 }, { 3272 key: "onclose", 3273 value: function onclose(reason) { 3274 this.connected = false; 3275 this.disconnected = true; 3276 delete this.id; 3277 this.emitReserved("disconnect", reason); 3278 } 3279 /** 3280 * Called with socket packet. 3281 * 3282 * @param packet 3283 * @private 3284 */ 3285 3286 }, { 3287 key: "onpacket", 3288 value: function onpacket(packet) { 3289 var sameNamespace = packet.nsp === this.nsp; 3290 if (!sameNamespace) return; 3291 3292 switch (packet.type) { 3293 case PacketType.CONNECT: 3294 if (packet.data && packet.data.sid) { 3295 var id = packet.data.sid; 3296 this.onconnect(id); 3297 } else { 3298 this.emitReserved("connect_error", new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)")); 3299 } 3300 3301 break; 3302 3303 case PacketType.EVENT: 3304 this.onevent(packet); 3305 break; 3306 3307 case PacketType.BINARY_EVENT: 3308 this.onevent(packet); 3309 break; 3310 3311 case PacketType.ACK: 3312 this.onack(packet); 3313 break; 3314 3315 case PacketType.BINARY_ACK: 3316 this.onack(packet); 3317 break; 3318 3319 case PacketType.DISCONNECT: 3320 this.ondisconnect(); 3321 break; 3322 3323 case PacketType.CONNECT_ERROR: 3324 this.destroy(); 3325 var err = new Error(packet.data.message); // @ts-ignore 3326 3327 err.data = packet.data.data; 3328 this.emitReserved("connect_error", err); 3329 break; 3330 } 3331 } 3332 /** 3333 * Called upon a server event. 3334 * 3335 * @param packet 3336 * @private 3337 */ 3338 3339 }, { 3340 key: "onevent", 3341 value: function onevent(packet) { 3342 var args = packet.data || []; 3343 3344 if (null != packet.id) { 3345 args.push(this.ack(packet.id)); 3346 } 3347 3348 if (this.connected) { 3349 this.emitEvent(args); 3350 } else { 3351 this.receiveBuffer.push(Object.freeze(args)); 3352 } 3353 } 3354 }, { 3355 key: "emitEvent", 3356 value: function emitEvent(args) { 3357 if (this._anyListeners && this._anyListeners.length) { 3358 var listeners = this._anyListeners.slice(); 3359 3360 var _iterator = _createForOfIteratorHelper(listeners), 3361 _step; 3362 3363 try { 3364 for (_iterator.s(); !(_step = _iterator.n()).done;) { 3365 var listener = _step.value; 3366 listener.apply(this, args); 3367 } 3368 } catch (err) { 3369 _iterator.e(err); 3370 } finally { 3371 _iterator.f(); 3372 } 3373 } 3374 3375 _get(_getPrototypeOf(Socket.prototype), "emit", this).apply(this, args); 3376 } 3377 /** 3378 * Produces an ack callback to emit with an event. 3379 * 3380 * @private 3381 */ 3382 3383 }, { 3384 key: "ack", 3385 value: function ack(id) { 3386 var self = this; 3387 var sent = false; 3388 return function () { 3389 // prevent double callbacks 3390 if (sent) return; 3391 sent = true; 3392 3393 for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) { 3394 args[_key4] = arguments[_key4]; 3395 } 3396 3397 self.packet({ 3398 type: PacketType.ACK, 3399 id: id, 3400 data: args 3401 }); 3402 }; 3403 } 3404 /** 3405 * Called upon a server acknowlegement. 3406 * 3407 * @param packet 3408 * @private 3409 */ 3410 3411 }, { 3412 key: "onack", 3413 value: function onack(packet) { 3414 var ack = this.acks[packet.id]; 3415 3416 if ("function" === typeof ack) { 3417 ack.apply(this, packet.data); 3418 delete this.acks[packet.id]; 3419 } 3420 } 3421 /** 3422 * Called upon server connect. 3423 * 3424 * @private 3425 */ 3426 3427 }, { 3428 key: "onconnect", 3429 value: function onconnect(id) { 3430 this.id = id; 3431 this.connected = true; 3432 this.disconnected = false; 3433 this.emitBuffered(); 3434 this.emitReserved("connect"); 3435 } 3436 /** 3437 * Emit buffered events (received and emitted). 3438 * 3439 * @private 3440 */ 3441 3442 }, { 3443 key: "emitBuffered", 3444 value: function emitBuffered() { 3445 var _this4 = this; 3446 3447 this.receiveBuffer.forEach(function (args) { 3448 return _this4.emitEvent(args); 3449 }); 3450 this.receiveBuffer = []; 3451 this.sendBuffer.forEach(function (packet) { 3452 return _this4.packet(packet); 3453 }); 3454 this.sendBuffer = []; 3455 } 3456 /** 3457 * Called upon server disconnect. 3458 * 3459 * @private 3460 */ 3461 3462 }, { 3463 key: "ondisconnect", 3464 value: function ondisconnect() { 3465 this.destroy(); 3466 this.onclose("io server disconnect"); 3467 } 3468 /** 3469 * Called upon forced client/server side disconnections, 3470 * this method ensures the manager stops tracking us and 3471 * that reconnections don't get triggered for this. 3472 * 3473 * @private 3474 */ 3475 3476 }, { 3477 key: "destroy", 3478 value: function destroy() { 3479 if (this.subs) { 3480 // clean subscriptions to avoid reconnections 3481 this.subs.forEach(function (subDestroy) { 3482 return subDestroy(); 3483 }); 3484 this.subs = undefined; 3485 } 3486 3487 this.io["_destroy"](this); 3488 } 3489 /** 3490 * Disconnects the socket manually. 3491 * 3492 * @return self 3493 * @public 3494 */ 3495 3496 }, { 3497 key: "disconnect", 3498 value: function disconnect() { 3499 if (this.connected) { 3500 this.packet({ 3501 type: PacketType.DISCONNECT 3502 }); 3503 } // remove socket from pool 3504 3505 3506 this.destroy(); 3507 3508 if (this.connected) { 3509 // fire events 3510 this.onclose("io client disconnect"); 3511 } 3512 3513 return this; 3514 } 3515 /** 3516 * Alias for disconnect() 3517 * 3518 * @return self 3519 * @public 3520 */ 3521 3522 }, { 3523 key: "close", 3524 value: function close() { 3525 return this.disconnect(); 3526 } 3527 /** 3528 * Sets the compress flag. 3529 * 3530 * @param compress - if `true`, compresses the sending data 3531 * @return self 3532 * @public 3533 */ 3534 3535 }, { 3536 key: "compress", 3537 value: function compress(_compress) { 3538 this.flags.compress = _compress; 3539 return this; 3540 } 3541 /** 3542 * Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not 3543 * ready to send messages. 3544 * 3545 * @returns self 3546 * @public 3547 */ 3548 3549 }, { 3550 key: "volatile", 3551 get: function get() { 3552 this.flags["volatile"] = true; 3553 return this; 3554 } 3555 /** 3556 * Sets a modifier for a subsequent event emission that the callback will be called with an error when the 3557 * given number of milliseconds have elapsed without an acknowledgement from the server: 3558 * 3559 * ``` 3560 * socket.timeout(5000).emit("my-event", (err) => { 3561 * if (err) { 3562 * // the server did not acknowledge the event in the given delay 3563 * } 3564 * }); 3565 * ``` 3566 * 3567 * @returns self 3568 * @public 3569 */ 3570 3571 }, { 3572 key: "timeout", 3573 value: function timeout(_timeout) { 3574 this.flags.timeout = _timeout; 3575 return this; 3576 } 3577 /** 3578 * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the 3579 * callback. 3580 * 3581 * @param listener 3582 * @public 3583 */ 3584 3585 }, { 3586 key: "onAny", 3587 value: function onAny(listener) { 3588 this._anyListeners = this._anyListeners || []; 3589 3590 this._anyListeners.push(listener); 3591 3592 return this; 3593 } 3594 /** 3595 * Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the 3596 * callback. The listener is added to the beginning of the listeners array. 3597 * 3598 * @param listener 3599 * @public 3600 */ 3601 3602 }, { 3603 key: "prependAny", 3604 value: function prependAny(listener) { 3605 this._anyListeners = this._anyListeners || []; 3606 3607 this._anyListeners.unshift(listener); 3608 3609 return this; 3610 } 3611 /** 3612 * Removes the listener that will be fired when any event is emitted. 3613 * 3614 * @param listener 3615 * @public 3616 */ 3617 3618 }, { 3619 key: "offAny", 3620 value: function offAny(listener) { 3621 if (!this._anyListeners) { 3622 return this; 3623 } 3624 3625 if (listener) { 3626 var listeners = this._anyListeners; 3627 3628 for (var i = 0; i < listeners.length; i++) { 3629 if (listener === listeners[i]) { 3630 listeners.splice(i, 1); 3631 return this; 3632 } 3633 } 3634 } else { 3635 this._anyListeners = []; 3636 } 3637 3638 return this; 3639 } 3640 /** 3641 * Returns an array of listeners that are listening for any event that is specified. This array can be manipulated, 3642 * e.g. to remove listeners. 3643 * 3644 * @public 3645 */ 3646 3647 }, { 3648 key: "listenersAny", 3649 value: function listenersAny() { 3650 return this._anyListeners || []; 3651 } 3652 }]); 3653 3654 return Socket; 3655 }(Emitter_1); 3656 3657 /** 3658 * Expose `Backoff`. 3659 */ 3660 3661 var backo2 = Backoff; 3662 /** 3663 * Initialize backoff timer with `opts`. 3664 * 3665 * - `min` initial timeout in milliseconds [100] 3666 * - `max` max timeout [10000] 3667 * - `jitter` [0] 3668 * - `factor` [2] 3669 * 3670 * @param {Object} opts 3671 * @api public 3672 */ 3673 3674 function Backoff(opts) { 3675 opts = opts || {}; 3676 this.ms = opts.min || 100; 3677 this.max = opts.max || 10000; 3678 this.factor = opts.factor || 2; 3679 this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0; 3680 this.attempts = 0; 5763 3681 } 5764 5765 if (isBinary(obj)) { 5766 return true; 5767 } 5768 5769 if (obj.toJSON && typeof obj.toJSON === "function" && arguments.length === 1) { 5770 return hasBinary(obj.toJSON(), true); 5771 } 5772 5773 for (var key in obj) { 5774 if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) { 5775 return true; 5776 } 5777 } 5778 5779 return false; 5780 } 5781 5782 exports.hasBinary = hasBinary; 5783 5784 /***/ }), 5785 5786 /***/ "./node_modules/yeast/index.js": 5787 /*!*************************************!*\ 5788 !*** ./node_modules/yeast/index.js ***! 5789 \*************************************/ 5790 /*! no static exports found */ 5791 /***/ (function(module, exports, __webpack_require__) { 5792 5793 "use strict"; 5794 5795 5796 var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split(''), 5797 length = 64, 5798 map = {}, 5799 seed = 0, 5800 i = 0, 5801 prev; 5802 /** 5803 * Return a string representing the specified number. 5804 * 5805 * @param {Number} num The number to convert. 5806 * @returns {String} The string representation of the number. 5807 * @api public 5808 */ 5809 5810 function encode(num) { 5811 var encoded = ''; 5812 5813 do { 5814 encoded = alphabet[num % length] + encoded; 5815 num = Math.floor(num / length); 5816 } while (num > 0); 5817 5818 return encoded; 5819 } 5820 /** 5821 * Return the integer value specified by the given string. 5822 * 5823 * @param {String} str The string to convert. 5824 * @returns {Number} The integer value represented by the string. 5825 * @api public 5826 */ 5827 5828 5829 function decode(str) { 5830 var decoded = 0; 5831 5832 for (i = 0; i < str.length; i++) { 5833 decoded = decoded * length + map[str.charAt(i)]; 5834 } 5835 5836 return decoded; 5837 } 5838 /** 5839 * Yeast: A tiny growing id generator. 5840 * 5841 * @returns {String} A unique id. 5842 * @api public 5843 */ 5844 5845 5846 function yeast() { 5847 var now = encode(+new Date()); 5848 if (now !== prev) return seed = 0, prev = now; 5849 return now + '.' + encode(seed++); 5850 } // 5851 // Map each character to its index. 5852 // 5853 5854 5855 for (; i < length; i++) { 5856 map[alphabet[i]] = i; 5857 } // 5858 // Expose the `yeast`, `encode` and `decode` functions. 5859 // 5860 5861 5862 yeast.encode = encode; 5863 yeast.decode = decode; 5864 module.exports = yeast; 5865 5866 /***/ }) 5867 5868 /******/ }); 5869 }); 3682 /** 3683 * Return the backoff duration. 3684 * 3685 * @return {Number} 3686 * @api public 3687 */ 3688 3689 3690 Backoff.prototype.duration = function () { 3691 var ms = this.ms * Math.pow(this.factor, this.attempts++); 3692 3693 if (this.jitter) { 3694 var rand = Math.random(); 3695 var deviation = Math.floor(rand * this.jitter * ms); 3696 ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation; 3697 } 3698 3699 return Math.min(ms, this.max) | 0; 3700 }; 3701 /** 3702 * Reset the number of attempts. 3703 * 3704 * @api public 3705 */ 3706 3707 3708 Backoff.prototype.reset = function () { 3709 this.attempts = 0; 3710 }; 3711 /** 3712 * Set the minimum duration 3713 * 3714 * @api public 3715 */ 3716 3717 3718 Backoff.prototype.setMin = function (min) { 3719 this.ms = min; 3720 }; 3721 /** 3722 * Set the maximum duration 3723 * 3724 * @api public 3725 */ 3726 3727 3728 Backoff.prototype.setMax = function (max) { 3729 this.max = max; 3730 }; 3731 /** 3732 * Set the jitter 3733 * 3734 * @api public 3735 */ 3736 3737 3738 Backoff.prototype.setJitter = function (jitter) { 3739 this.jitter = jitter; 3740 }; 3741 3742 var Manager = /*#__PURE__*/function (_Emitter) { 3743 _inherits(Manager, _Emitter); 3744 3745 var _super = _createSuper(Manager); 3746 3747 function Manager(uri, opts) { 3748 var _this; 3749 3750 _classCallCheck(this, Manager); 3751 3752 var _a; 3753 3754 _this = _super.call(this); 3755 _this.nsps = {}; 3756 _this.subs = []; 3757 3758 if (uri && "object" === _typeof(uri)) { 3759 opts = uri; 3760 uri = undefined; 3761 } 3762 3763 opts = opts || {}; 3764 opts.path = opts.path || "/socket.io"; 3765 _this.opts = opts; 3766 installTimerFunctions(_assertThisInitialized(_this), opts); 3767 3768 _this.reconnection(opts.reconnection !== false); 3769 3770 _this.reconnectionAttempts(opts.reconnectionAttempts || Infinity); 3771 3772 _this.reconnectionDelay(opts.reconnectionDelay || 1000); 3773 3774 _this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000); 3775 3776 _this.randomizationFactor((_a = opts.randomizationFactor) !== null && _a !== void 0 ? _a : 0.5); 3777 3778 _this.backoff = new backo2({ 3779 min: _this.reconnectionDelay(), 3780 max: _this.reconnectionDelayMax(), 3781 jitter: _this.randomizationFactor() 3782 }); 3783 3784 _this.timeout(null == opts.timeout ? 20000 : opts.timeout); 3785 3786 _this._readyState = "closed"; 3787 _this.uri = uri; 3788 3789 var _parser = opts.parser || parser; 3790 3791 _this.encoder = new _parser.Encoder(); 3792 _this.decoder = new _parser.Decoder(); 3793 _this._autoConnect = opts.autoConnect !== false; 3794 if (_this._autoConnect) _this.open(); 3795 return _this; 3796 } 3797 3798 _createClass(Manager, [{ 3799 key: "reconnection", 3800 value: function reconnection(v) { 3801 if (!arguments.length) return this._reconnection; 3802 this._reconnection = !!v; 3803 return this; 3804 } 3805 }, { 3806 key: "reconnectionAttempts", 3807 value: function reconnectionAttempts(v) { 3808 if (v === undefined) return this._reconnectionAttempts; 3809 this._reconnectionAttempts = v; 3810 return this; 3811 } 3812 }, { 3813 key: "reconnectionDelay", 3814 value: function reconnectionDelay(v) { 3815 var _a; 3816 3817 if (v === undefined) return this._reconnectionDelay; 3818 this._reconnectionDelay = v; 3819 (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMin(v); 3820 return this; 3821 } 3822 }, { 3823 key: "randomizationFactor", 3824 value: function randomizationFactor(v) { 3825 var _a; 3826 3827 if (v === undefined) return this._randomizationFactor; 3828 this._randomizationFactor = v; 3829 (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setJitter(v); 3830 return this; 3831 } 3832 }, { 3833 key: "reconnectionDelayMax", 3834 value: function reconnectionDelayMax(v) { 3835 var _a; 3836 3837 if (v === undefined) return this._reconnectionDelayMax; 3838 this._reconnectionDelayMax = v; 3839 (_a = this.backoff) === null || _a === void 0 ? void 0 : _a.setMax(v); 3840 return this; 3841 } 3842 }, { 3843 key: "timeout", 3844 value: function timeout(v) { 3845 if (!arguments.length) return this._timeout; 3846 this._timeout = v; 3847 return this; 3848 } 3849 /** 3850 * Starts trying to reconnect if reconnection is enabled and we have not 3851 * started reconnecting yet 3852 * 3853 * @private 3854 */ 3855 3856 }, { 3857 key: "maybeReconnectOnOpen", 3858 value: function maybeReconnectOnOpen() { 3859 // Only try to reconnect if it's the first time we're connecting 3860 if (!this._reconnecting && this._reconnection && this.backoff.attempts === 0) { 3861 // keeps reconnection from firing twice for the same reconnection loop 3862 this.reconnect(); 3863 } 3864 } 3865 /** 3866 * Sets the current transport `socket`. 3867 * 3868 * @param {Function} fn - optional, callback 3869 * @return self 3870 * @public 3871 */ 3872 3873 }, { 3874 key: "open", 3875 value: function open(fn) { 3876 var _this2 = this; 3877 3878 if (~this._readyState.indexOf("open")) return this; 3879 this.engine = new Socket$1(this.uri, this.opts); 3880 var socket = this.engine; 3881 var self = this; 3882 this._readyState = "opening"; 3883 this.skipReconnect = false; // emit `open` 3884 3885 var openSubDestroy = on(socket, "open", function () { 3886 self.onopen(); 3887 fn && fn(); 3888 }); // emit `error` 3889 3890 var errorSub = on(socket, "error", function (err) { 3891 self.cleanup(); 3892 self._readyState = "closed"; 3893 3894 _this2.emitReserved("error", err); 3895 3896 if (fn) { 3897 fn(err); 3898 } else { 3899 // Only do this if there is no fn to handle the error 3900 self.maybeReconnectOnOpen(); 3901 } 3902 }); 3903 3904 if (false !== this._timeout) { 3905 var timeout = this._timeout; 3906 3907 if (timeout === 0) { 3908 openSubDestroy(); // prevents a race condition with the 'open' event 3909 } // set timer 3910 3911 3912 var timer = this.setTimeoutFn(function () { 3913 openSubDestroy(); 3914 socket.close(); // @ts-ignore 3915 3916 socket.emit("error", new Error("timeout")); 3917 }, timeout); 3918 3919 if (this.opts.autoUnref) { 3920 timer.unref(); 3921 } 3922 3923 this.subs.push(function subDestroy() { 3924 clearTimeout(timer); 3925 }); 3926 } 3927 3928 this.subs.push(openSubDestroy); 3929 this.subs.push(errorSub); 3930 return this; 3931 } 3932 /** 3933 * Alias for open() 3934 * 3935 * @return self 3936 * @public 3937 */ 3938 3939 }, { 3940 key: "connect", 3941 value: function connect(fn) { 3942 return this.open(fn); 3943 } 3944 /** 3945 * Called upon transport open. 3946 * 3947 * @private 3948 */ 3949 3950 }, { 3951 key: "onopen", 3952 value: function onopen() { 3953 // clear old subs 3954 this.cleanup(); // mark as open 3955 3956 this._readyState = "open"; 3957 this.emitReserved("open"); // add new subs 3958 3959 var socket = this.engine; 3960 this.subs.push(on(socket, "ping", this.onping.bind(this)), on(socket, "data", this.ondata.bind(this)), on(socket, "error", this.onerror.bind(this)), on(socket, "close", this.onclose.bind(this)), on(this.decoder, "decoded", this.ondecoded.bind(this))); 3961 } 3962 /** 3963 * Called upon a ping. 3964 * 3965 * @private 3966 */ 3967 3968 }, { 3969 key: "onping", 3970 value: function onping() { 3971 this.emitReserved("ping"); 3972 } 3973 /** 3974 * Called with data. 3975 * 3976 * @private 3977 */ 3978 3979 }, { 3980 key: "ondata", 3981 value: function ondata(data) { 3982 this.decoder.add(data); 3983 } 3984 /** 3985 * Called when parser fully decodes a packet. 3986 * 3987 * @private 3988 */ 3989 3990 }, { 3991 key: "ondecoded", 3992 value: function ondecoded(packet) { 3993 this.emitReserved("packet", packet); 3994 } 3995 /** 3996 * Called upon socket error. 3997 * 3998 * @private 3999 */ 4000 4001 }, { 4002 key: "onerror", 4003 value: function onerror(err) { 4004 this.emitReserved("error", err); 4005 } 4006 /** 4007 * Creates a new socket for the given `nsp`. 4008 * 4009 * @return {Socket} 4010 * @public 4011 */ 4012 4013 }, { 4014 key: "socket", 4015 value: function socket(nsp, opts) { 4016 var socket = this.nsps[nsp]; 4017 4018 if (!socket) { 4019 socket = new Socket(this, nsp, opts); 4020 this.nsps[nsp] = socket; 4021 } 4022 4023 return socket; 4024 } 4025 /** 4026 * Called upon a socket close. 4027 * 4028 * @param socket 4029 * @private 4030 */ 4031 4032 }, { 4033 key: "_destroy", 4034 value: function _destroy(socket) { 4035 var nsps = Object.keys(this.nsps); 4036 4037 for (var _i = 0, _nsps = nsps; _i < _nsps.length; _i++) { 4038 var nsp = _nsps[_i]; 4039 var _socket = this.nsps[nsp]; 4040 4041 if (_socket.active) { 4042 return; 4043 } 4044 } 4045 4046 this._close(); 4047 } 4048 /** 4049 * Writes a packet. 4050 * 4051 * @param packet 4052 * @private 4053 */ 4054 4055 }, { 4056 key: "_packet", 4057 value: function _packet(packet) { 4058 var encodedPackets = this.encoder.encode(packet); 4059 4060 for (var i = 0; i < encodedPackets.length; i++) { 4061 this.engine.write(encodedPackets[i], packet.options); 4062 } 4063 } 4064 /** 4065 * Clean up transport subscriptions and packet buffer. 4066 * 4067 * @private 4068 */ 4069 4070 }, { 4071 key: "cleanup", 4072 value: function cleanup() { 4073 this.subs.forEach(function (subDestroy) { 4074 return subDestroy(); 4075 }); 4076 this.subs.length = 0; 4077 this.decoder.destroy(); 4078 } 4079 /** 4080 * Close the current socket. 4081 * 4082 * @private 4083 */ 4084 4085 }, { 4086 key: "_close", 4087 value: function _close() { 4088 this.skipReconnect = true; 4089 this._reconnecting = false; 4090 this.onclose("forced close"); 4091 if (this.engine) this.engine.close(); 4092 } 4093 /** 4094 * Alias for close() 4095 * 4096 * @private 4097 */ 4098 4099 }, { 4100 key: "disconnect", 4101 value: function disconnect() { 4102 return this._close(); 4103 } 4104 /** 4105 * Called upon engine close. 4106 * 4107 * @private 4108 */ 4109 4110 }, { 4111 key: "onclose", 4112 value: function onclose(reason) { 4113 this.cleanup(); 4114 this.backoff.reset(); 4115 this._readyState = "closed"; 4116 this.emitReserved("close", reason); 4117 4118 if (this._reconnection && !this.skipReconnect) { 4119 this.reconnect(); 4120 } 4121 } 4122 /** 4123 * Attempt a reconnection. 4124 * 4125 * @private 4126 */ 4127 4128 }, { 4129 key: "reconnect", 4130 value: function reconnect() { 4131 var _this3 = this; 4132 4133 if (this._reconnecting || this.skipReconnect) return this; 4134 var self = this; 4135 4136 if (this.backoff.attempts >= this._reconnectionAttempts) { 4137 this.backoff.reset(); 4138 this.emitReserved("reconnect_failed"); 4139 this._reconnecting = false; 4140 } else { 4141 var delay = this.backoff.duration(); 4142 this._reconnecting = true; 4143 var timer = this.setTimeoutFn(function () { 4144 if (self.skipReconnect) return; 4145 4146 _this3.emitReserved("reconnect_attempt", self.backoff.attempts); // check again for the case socket closed in above events 4147 4148 4149 if (self.skipReconnect) return; 4150 self.open(function (err) { 4151 if (err) { 4152 self._reconnecting = false; 4153 self.reconnect(); 4154 4155 _this3.emitReserved("reconnect_error", err); 4156 } else { 4157 self.onreconnect(); 4158 } 4159 }); 4160 }, delay); 4161 4162 if (this.opts.autoUnref) { 4163 timer.unref(); 4164 } 4165 4166 this.subs.push(function subDestroy() { 4167 clearTimeout(timer); 4168 }); 4169 } 4170 } 4171 /** 4172 * Called upon successful reconnect. 4173 * 4174 * @private 4175 */ 4176 4177 }, { 4178 key: "onreconnect", 4179 value: function onreconnect() { 4180 var attempt = this.backoff.attempts; 4181 this._reconnecting = false; 4182 this.backoff.reset(); 4183 this.emitReserved("reconnect", attempt); 4184 } 4185 }]); 4186 4187 return Manager; 4188 }(Emitter_1); 4189 4190 /** 4191 * Managers cache. 4192 */ 4193 4194 var cache = {}; 4195 4196 function lookup(uri, opts) { 4197 if (_typeof(uri) === "object") { 4198 opts = uri; 4199 uri = undefined; 4200 } 4201 4202 opts = opts || {}; 4203 var parsed = url(uri, opts.path || "/socket.io"); 4204 var source = parsed.source; 4205 var id = parsed.id; 4206 var path = parsed.path; 4207 var sameNamespace = cache[id] && path in cache[id]["nsps"]; 4208 var newConnection = opts.forceNew || opts["force new connection"] || false === opts.multiplex || sameNamespace; 4209 var io; 4210 4211 if (newConnection) { 4212 io = new Manager(source, opts); 4213 } else { 4214 if (!cache[id]) { 4215 cache[id] = new Manager(source, opts); 4216 } 4217 4218 io = cache[id]; 4219 } 4220 4221 if (parsed.query && !opts.query) { 4222 opts.query = parsed.queryKey; 4223 } 4224 4225 return io.socket(parsed.path, opts); 4226 } // so that "lookup" can be used both as a function (e.g. `io(...)`) and as a 4227 // namespace (e.g. `io.connect(...)`), for backward compatibility 4228 4229 4230 _extends(lookup, { 4231 Manager: Manager, 4232 Socket: Socket, 4233 io: lookup, 4234 connect: lookup 4235 }); 4236 4237 return lookup; 4238 4239 })); 5870 4240 //# sourceMappingURL=socket.io.js.map
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